diff --git a/src/plugins/console/public/application/components/console_menu.tsx b/src/plugins/console/public/application/components/console_menu.tsx
index 40e3ce9c44e26..6c5eb8646c58d 100644
--- a/src/plugins/console/public/application/components/console_menu.tsx
+++ b/src/plugins/console/public/application/components/console_menu.tsx
@@ -16,7 +16,7 @@ import { i18n } from '@kbn/i18n';
 interface Props {
   getCurl: () => Promise<string>;
   getDocumentation: () => Promise<string | null>;
-  autoIndent: (ev?: React.MouseEvent) => void;
+  autoIndent: (ev: React.MouseEvent) => void;
   addNotification?: (opts: { title: string }) => void;
 }
 
@@ -84,8 +84,7 @@ export class ConsoleMenu extends Component<Props, State> {
     window.open(documentation, '_blank');
   };
 
-  // Using `any` here per this issue: https://github.com/elastic/eui/issues/2265
-  autoIndent: any = (event: React.MouseEvent) => {
+  autoIndent = (event: React.MouseEvent) => {
     this.closePopover();
     this.props.autoIndent(event);
   };
diff --git a/src/plugins/console/public/application/components/settings_modal.tsx b/src/plugins/console/public/application/components/settings_modal.tsx
index 161b67500b47c..033bce42177be 100644
--- a/src/plugins/console/public/application/components/settings_modal.tsx
+++ b/src/plugins/console/public/application/components/settings_modal.tsx
@@ -32,7 +32,7 @@ export type AutocompleteOptions = 'fields' | 'indices' | 'templates';
 interface Props {
   onSaveSettings: (newSettings: DevToolsSettings) => void;
   onClose: () => void;
-  refreshAutocompleteSettings: (selectedSettings: any) => void;
+  refreshAutocompleteSettings: (selectedSettings: DevToolsSettings['autocomplete']) => void;
   settings: DevToolsSettings;
 }
 
@@ -233,7 +233,7 @@ export function DevToolsSettingsModal(props: Props) {
               return rest;
             })}
             idToSelectedMap={checkboxIdToSelectedMap}
-            onChange={(e: any) => {
+            onChange={(e: unknown) => {
               onAutocompleteChange(e as AutocompleteOptions);
             }}
           />
diff --git a/src/plugins/console/public/application/containers/console_history/console_history.tsx b/src/plugins/console/public/application/containers/console_history/console_history.tsx
index 4d5c08705e0d5..7fbef6de80eef 100644
--- a/src/plugins/console/public/application/containers/console_history/console_history.tsx
+++ b/src/plugins/console/public/application/containers/console_history/console_history.tsx
@@ -53,7 +53,7 @@ export function ConsoleHistory({ close }: Props) {
   const selectedReq = useRef<any>(null);
 
   const describeReq = useMemo(() => {
-    const _describeReq = (req: any) => {
+    const _describeReq = (req: { endpoint: string; time: string }) => {
       const endpoint = req.endpoint;
       const date = moment(req.time);
 
diff --git a/src/plugins/console/public/application/containers/console_history/history_viewer.tsx b/src/plugins/console/public/application/containers/console_history/history_viewer.tsx
index 00a7cf8afa2c0..605f9a254f228 100644
--- a/src/plugins/console/public/application/containers/console_history/history_viewer.tsx
+++ b/src/plugins/console/public/application/containers/console_history/history_viewer.tsx
@@ -20,7 +20,7 @@ import { applyCurrentSettings } from '../editor/legacy/console_editor/apply_edit
 
 interface Props {
   settings: DevToolsSettings;
-  req: any | null;
+  req: { method: string; endpoint: string; data: string; time: string } | null;
 }
 
 export function HistoryViewer({ settings, req }: Props) {
diff --git a/src/plugins/console/public/application/containers/editor/legacy/console_editor/apply_editor_settings.ts b/src/plugins/console/public/application/containers/editor/legacy/console_editor/apply_editor_settings.ts
index 678ea1c387096..f84999b294742 100644
--- a/src/plugins/console/public/application/containers/editor/legacy/console_editor/apply_editor_settings.ts
+++ b/src/plugins/console/public/application/containers/editor/legacy/console_editor/apply_editor_settings.ts
@@ -14,7 +14,7 @@ export function applyCurrentSettings(
   editor: CoreEditor | CustomAceEditor,
   settings: DevToolsSettings
 ) {
-  if ((editor as any).setStyles) {
+  if ((editor as { setStyles?: Function }).setStyles) {
     (editor as CoreEditor).setStyles({
       wrapLines: settings.wrapMode,
       fontSize: settings.fontSize + 'px',
diff --git a/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.test.tsx b/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.test.tsx
index c4da04dfbf5a6..1732dd9572b90 100644
--- a/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.test.tsx
+++ b/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.test.tsx
@@ -27,7 +27,7 @@ import {
 // Mocked functions
 import { sendRequestToES } from '../../../../hooks/use_send_current_request_to_es/send_request_to_es';
 import { getEndpointFromPosition } from '../../../../../lib/autocomplete/get_endpoint_from_position';
-
+import type { DevToolsSettings } from '../../../../../services';
 import * as consoleMenuActions from '../console_menu_actions';
 import { Editor } from './editor';
 
@@ -40,7 +40,7 @@ describe('Legacy (Ace) Console Editor Component Smoke Test', () => {
       <I18nProvider>
         <ServicesContextProvider value={mockedAppContextValue}>
           <RequestContextProvider>
-            <EditorContextProvider settings={{} as any}>
+            <EditorContextProvider settings={({} as unknown) as DevToolsSettings}>
               <Editor initialTextValue="" />
             </EditorContextProvider>
           </RequestContextProvider>
diff --git a/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.tsx b/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.tsx
index 8b965480d077b..541ad8b0563a4 100644
--- a/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.tsx
+++ b/src/plugins/console/public/application/containers/editor/legacy/console_editor/editor.tsx
@@ -229,7 +229,7 @@ function EditorUI({ initialTextValue }: EditorProps) {
               getDocumentation={() => {
                 return getDocumentation(editorInstanceRef.current!, docLinkVersion);
               }}
-              autoIndent={(event: any) => {
+              autoIndent={(event) => {
                 autoIndent(editorInstanceRef.current!, event);
               }}
               addNotification={({ title }) => notifications.toasts.add({ title })}
diff --git a/src/plugins/console/public/application/containers/editor/legacy/console_menu_actions.ts b/src/plugins/console/public/application/containers/editor/legacy/console_menu_actions.ts
index 7aa3e96464800..f1bacd62289fb 100644
--- a/src/plugins/console/public/application/containers/editor/legacy/console_menu_actions.ts
+++ b/src/plugins/console/public/application/containers/editor/legacy/console_menu_actions.ts
@@ -9,7 +9,7 @@
 import { getEndpointFromPosition } from '../../../../lib/autocomplete/get_endpoint_from_position';
 import { SenseEditor } from '../../../models/sense_editor';
 
-export async function autoIndent(editor: SenseEditor, event: Event) {
+export async function autoIndent(editor: SenseEditor, event: React.MouseEvent) {
   event.preventDefault();
   await editor.autoIndent();
   editor.getCoreEditor().getContainer().focus();
diff --git a/src/plugins/console/public/application/containers/settings.tsx b/src/plugins/console/public/application/containers/settings.tsx
index 7028a479635f4..1282a0b389902 100644
--- a/src/plugins/console/public/application/containers/settings.tsx
+++ b/src/plugins/console/public/application/containers/settings.tsx
@@ -15,14 +15,20 @@ import { retrieveAutoCompleteInfo } from '../../lib/mappings/mappings';
 import { useServicesContext, useEditorActionContext } from '../contexts';
 import { DevToolsSettings, Settings as SettingsService } from '../../services';
 
-const getAutocompleteDiff = (newSettings: DevToolsSettings, prevSettings: DevToolsSettings) => {
+const getAutocompleteDiff = (
+  newSettings: DevToolsSettings,
+  prevSettings: DevToolsSettings
+): AutocompleteOptions[] => {
   return Object.keys(newSettings.autocomplete).filter((key) => {
     // @ts-ignore
     return prevSettings.autocomplete[key] !== newSettings.autocomplete[key];
-  });
+  }) as AutocompleteOptions[];
 };
 
-const refreshAutocompleteSettings = (settings: SettingsService, selectedSettings: any) => {
+const refreshAutocompleteSettings = (
+  settings: SettingsService,
+  selectedSettings: DevToolsSettings['autocomplete']
+) => {
   retrieveAutoCompleteInfo(settings, selectedSettings);
 };
 
@@ -44,12 +50,12 @@ const fetchAutocompleteSettingsIfNeeded = (
     if (isSettingsChanged) {
       // If the user has changed one of the autocomplete settings, then we'll fetch just the
       // ones which have changed.
-      const changedSettings: any = autocompleteDiff.reduce(
-        (changedSettingsAccum: any, setting: string): any => {
-          changedSettingsAccum[setting] = newSettings.autocomplete[setting as AutocompleteOptions];
+      const changedSettings: DevToolsSettings['autocomplete'] = autocompleteDiff.reduce(
+        (changedSettingsAccum, setting) => {
+          changedSettingsAccum[setting] = newSettings.autocomplete[setting];
           return changedSettingsAccum;
         },
-        {}
+        {} as DevToolsSettings['autocomplete']
       );
       retrieveAutoCompleteInfo(settings, changedSettings);
     } else if (isPollingChanged && newSettings.polling) {
@@ -89,7 +95,7 @@ export function Settings({ onClose }: Props) {
     <DevToolsSettingsModal
       onClose={onClose}
       onSaveSettings={onSaveSettings}
-      refreshAutocompleteSettings={(selectedSettings: any) =>
+      refreshAutocompleteSettings={(selectedSettings) =>
         refreshAutocompleteSettings(settings, selectedSettings)
       }
       settings={settings.toJSON()}
diff --git a/src/plugins/console/public/application/contexts/editor_context/editor_context.tsx b/src/plugins/console/public/application/contexts/editor_context/editor_context.tsx
index 32e5216a85d7e..d4f809b5fbfb3 100644
--- a/src/plugins/console/public/application/contexts/editor_context/editor_context.tsx
+++ b/src/plugins/console/public/application/contexts/editor_context/editor_context.tsx
@@ -11,11 +11,11 @@ import * as editor from '../../stores/editor';
 import { DevToolsSettings } from '../../../services';
 import { createUseContext } from '../create_use_context';
 
-const EditorReadContext = createContext<editor.Store>(null as any);
-const EditorActionContext = createContext<Dispatch<editor.Action>>(null as any);
+const EditorReadContext = createContext<editor.Store>(editor.initialValue);
+const EditorActionContext = createContext<Dispatch<editor.Action>>(() => {});
 
 export interface EditorContextArgs {
-  children: any;
+  children: JSX.Element;
   settings: DevToolsSettings;
 }
 
@@ -25,7 +25,7 @@ export function EditorContextProvider({ children, settings }: EditorContextArgs)
     settings,
   }));
   return (
-    <EditorReadContext.Provider value={state as any}>
+    <EditorReadContext.Provider value={state}>
       <EditorActionContext.Provider value={dispatch}>{children}</EditorActionContext.Provider>
     </EditorReadContext.Provider>
   );
diff --git a/src/plugins/console/public/application/contexts/request_context.tsx b/src/plugins/console/public/application/contexts/request_context.tsx
index 38ac5c7163add..96ba1f69212b4 100644
--- a/src/plugins/console/public/application/contexts/request_context.tsx
+++ b/src/plugins/console/public/application/contexts/request_context.tsx
@@ -10,8 +10,8 @@ import React, { createContext, useReducer, Dispatch } from 'react';
 import { createUseContext } from './create_use_context';
 import * as store from '../stores/request';
 
-const RequestReadContext = createContext<store.Store>(null as any);
-const RequestActionContext = createContext<Dispatch<store.Actions>>(null as any);
+const RequestReadContext = createContext<store.Store>(store.initialValue);
+const RequestActionContext = createContext<Dispatch<store.Actions>>(() => {});
 
 export function RequestContextProvider({ children }: { children: React.ReactNode }) {
   const [state, dispatch] = useReducer(store.reducer, store.initialValue);
diff --git a/src/plugins/console/public/application/contexts/services_context.mock.ts b/src/plugins/console/public/application/contexts/services_context.mock.ts
index 6c67aa37727b2..c4ac8ca25378b 100644
--- a/src/plugins/console/public/application/contexts/services_context.mock.ts
+++ b/src/plugins/console/public/application/contexts/services_context.mock.ts
@@ -9,6 +9,7 @@
 import { notificationServiceMock } from '../../../../../core/public/mocks';
 import { httpServiceMock } from '../../../../../core/public/mocks';
 
+import type { ObjectStorageClient } from '../../../common/types';
 import { HistoryMock } from '../../services/history.mock';
 import { SettingsMock } from '../../services/settings.mock';
 import { StorageMock } from '../../services/storage.mock';
@@ -18,7 +19,7 @@ import { ContextValue } from './services_context';
 
 export const serviceContextMock = {
   create: (): ContextValue => {
-    const storage = new StorageMock({} as any, 'test');
+    const storage = new StorageMock(({} as unknown) as Storage, 'test');
     const http = httpServiceMock.createSetupContract();
     const api = createApi({ http });
     const esHostService = createEsHostService({ api });
@@ -31,7 +32,7 @@ export const serviceContextMock = {
         settings: new SettingsMock(storage),
         history: new HistoryMock(storage),
         notifications: notificationServiceMock.createSetupContract(),
-        objectStorageClient: {} as any,
+        objectStorageClient: ({} as unknown) as ObjectStorageClient,
       },
       docLinkVersion: 'NA',
     };
diff --git a/src/plugins/console/public/application/contexts/services_context.tsx b/src/plugins/console/public/application/contexts/services_context.tsx
index 58587bf3030e2..53c021d4d0982 100644
--- a/src/plugins/console/public/application/contexts/services_context.tsx
+++ b/src/plugins/console/public/application/contexts/services_context.tsx
@@ -30,10 +30,10 @@ export interface ContextValue {
 
 interface ContextProps {
   value: ContextValue;
-  children: any;
+  children: JSX.Element;
 }
 
-const ServicesContext = createContext<ContextValue>(null as any);
+const ServicesContext = createContext<ContextValue | null>(null);
 
 export function ServicesContextProvider({ children, value }: ContextProps) {
   useEffect(() => {
@@ -46,8 +46,8 @@ export function ServicesContextProvider({ children, value }: ContextProps) {
 
 export const useServicesContext = () => {
   const context = useContext(ServicesContext);
-  if (context === undefined) {
+  if (context == null) {
     throw new Error('useServicesContext must be used inside the ServicesContextProvider.');
   }
-  return context;
+  return context!;
 };
diff --git a/src/plugins/console/public/application/hooks/use_restore_request_from_history/restore_request_from_history.ts b/src/plugins/console/public/application/hooks/use_restore_request_from_history/restore_request_from_history.ts
index f8537f9d0b3c4..85c9cf6b9f014 100644
--- a/src/plugins/console/public/application/hooks/use_restore_request_from_history/restore_request_from_history.ts
+++ b/src/plugins/console/public/application/hooks/use_restore_request_from_history/restore_request_from_history.ts
@@ -7,12 +7,10 @@
  */
 
 import RowParser from '../../../lib/row_parser';
+import { ESRequest } from '../../../types';
 import { SenseEditor } from '../../models/sense_editor';
-/**
- * This function is considered legacy and should not be changed or updated before we have editor
- * interfaces in place (it's using a customized version of Ace directly).
- */
-export function restoreRequestFromHistory(editor: SenseEditor, req: any) {
+
+export function restoreRequestFromHistory(editor: SenseEditor, req: ESRequest) {
   const coreEditor = editor.getCoreEditor();
   let pos = coreEditor.getCurrentPosition();
   let prefix = '';
diff --git a/src/plugins/console/public/application/hooks/use_restore_request_from_history/use_restore_request_from_history.ts b/src/plugins/console/public/application/hooks/use_restore_request_from_history/use_restore_request_from_history.ts
index 310d6c67b90bc..7c140e2b18975 100644
--- a/src/plugins/console/public/application/hooks/use_restore_request_from_history/use_restore_request_from_history.ts
+++ b/src/plugins/console/public/application/hooks/use_restore_request_from_history/use_restore_request_from_history.ts
@@ -8,10 +8,11 @@
 
 import { useCallback } from 'react';
 import { instance as registry } from '../../contexts/editor_context/editor_registry';
+import { ESRequest } from '../../../types';
 import { restoreRequestFromHistory } from './restore_request_from_history';
 
 export const useRestoreRequestFromHistory = () => {
-  return useCallback((req: any) => {
+  return useCallback((req: ESRequest) => {
     const editor = registry.getInputEditor();
     restoreRequestFromHistory(editor, req);
   }, []);
diff --git a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/send_request_to_es.ts b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/send_request_to_es.ts
index aeaa2f76816e4..a86cfd8890a5b 100644
--- a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/send_request_to_es.ts
+++ b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/send_request_to_es.ts
@@ -8,19 +8,14 @@
 
 import { extractWarningMessages } from '../../../lib/utils';
 import { XJson } from '../../../../../es_ui_shared/public';
-const { collapseLiteralStrings } = XJson;
 // @ts-ignore
 import * as es from '../../../lib/es/es';
 import { BaseResponseType } from '../../../types';
 
-export interface EsRequestArgs {
-  requests: any;
-}
+const { collapseLiteralStrings } = XJson;
 
-export interface ESRequestObject {
-  path: string;
-  data: any;
-  method: string;
+export interface EsRequestArgs {
+  requests: Array<{ url: string; method: string; data: string[] }>;
 }
 
 export interface ESResponseObject<V = unknown> {
@@ -32,7 +27,7 @@ export interface ESResponseObject<V = unknown> {
 }
 
 export interface ESRequestResult<V = unknown> {
-  request: ESRequestObject;
+  request: { data: string; method: string; path: string };
   response: ESResponseObject<V>;
 }
 
@@ -61,7 +56,7 @@ export function sendRequestToES(args: EsRequestArgs): Promise<ESRequestResult[]>
         resolve(results);
         return;
       }
-      const req = requests.shift();
+      const req = requests.shift()!;
       const esPath = req.url;
       const esMethod = req.method;
       let esData = collapseLiteralStrings(req.data.join('\n'));
@@ -71,7 +66,7 @@ export function sendRequestToES(args: EsRequestArgs): Promise<ESRequestResult[]>
 
       const startTime = Date.now();
       es.send(esMethod, esPath, esData).always(
-        (dataOrjqXHR: any, textStatus: string, jqXhrORerrorThrown: any) => {
+        (dataOrjqXHR, textStatus: string, jqXhrORerrorThrown) => {
           if (reqId !== CURRENT_REQ_ID) {
             return;
           }
diff --git a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/track.ts b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/track.ts
index c9b8cdec66a96..f5deefd627187 100644
--- a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/track.ts
+++ b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/track.ts
@@ -10,7 +10,11 @@ import { SenseEditor } from '../../models/sense_editor';
 import { getEndpointFromPosition } from '../../../lib/autocomplete/get_endpoint_from_position';
 import { MetricsTracker } from '../../../types';
 
-export const track = (requests: any[], editor: SenseEditor, trackUiMetric: MetricsTracker) => {
+export const track = (
+  requests: Array<{ method: string }>,
+  editor: SenseEditor,
+  trackUiMetric: MetricsTracker
+) => {
   const coreEditor = editor.getCoreEditor();
   // `getEndpointFromPosition` gets values from the server-side generated JSON files which
   // are a combination of JS, automatically generated JSON and manual overrides. That means
diff --git a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/use_send_current_request_to_es.test.tsx b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/use_send_current_request_to_es.test.tsx
index e1fc323cd2d9d..63b5788316956 100644
--- a/src/plugins/console/public/application/hooks/use_send_current_request_to_es/use_send_current_request_to_es.test.tsx
+++ b/src/plugins/console/public/application/hooks/use_send_current_request_to_es/use_send_current_request_to_es.test.tsx
@@ -26,8 +26,8 @@ import { useSendCurrentRequestToES } from './use_send_current_request_to_es';
 
 describe('useSendCurrentRequestToES', () => {
   let mockContextValue: ContextValue;
-  let dispatch: (...args: any[]) => void;
-  const contexts = ({ children }: { children?: any }) => (
+  let dispatch: (...args: unknown[]) => void;
+  const contexts = ({ children }: { children: JSX.Element }) => (
     <ServicesContextProvider value={mockContextValue}>{children}</ServicesContextProvider>
   );
 
diff --git a/src/plugins/console/public/application/hooks/use_set_input_editor.ts b/src/plugins/console/public/application/hooks/use_set_input_editor.ts
index 2c6dc101bee0e..c01dbbb0d2798 100644
--- a/src/plugins/console/public/application/hooks/use_set_input_editor.ts
+++ b/src/plugins/console/public/application/hooks/use_set_input_editor.ts
@@ -9,12 +9,13 @@
 import { useCallback } from 'react';
 import { useEditorActionContext } from '../contexts/editor_context';
 import { instance as registry } from '../contexts/editor_context/editor_registry';
+import { SenseEditor } from '../models';
 
 export const useSetInputEditor = () => {
   const dispatch = useEditorActionContext();
 
   return useCallback(
-    (editor: any) => {
+    (editor: SenseEditor) => {
       dispatch({ type: 'setInputEditor', payload: editor });
       registry.setInputEditor(editor);
     },
diff --git a/src/plugins/console/public/application/index.tsx b/src/plugins/console/public/application/index.tsx
index 1237348af215c..0b41095f8cc19 100644
--- a/src/plugins/console/public/application/index.tsx
+++ b/src/plugins/console/public/application/index.tsx
@@ -8,7 +8,7 @@
 
 import React from 'react';
 import { render, unmountComponentAtNode } from 'react-dom';
-import { HttpSetup, NotificationsSetup } from 'src/core/public';
+import { HttpSetup, NotificationsSetup, I18nStart } from 'src/core/public';
 import { ServicesContextProvider, EditorContextProvider, RequestContextProvider } from './contexts';
 import { Main } from './containers';
 import { createStorage, createHistory, createSettings } from '../services';
@@ -20,7 +20,7 @@ import { createApi, createEsHostService } from './lib';
 export interface BootDependencies {
   http: HttpSetup;
   docLinkVersion: string;
-  I18nContext: any;
+  I18nContext: I18nStart['Context'];
   notifications: NotificationsSetup;
   usageCollection?: UsageCollectionSetup;
   element: HTMLElement;
diff --git a/src/plugins/console/public/application/models/legacy_core_editor/create_readonly.ts b/src/plugins/console/public/application/models/legacy_core_editor/create_readonly.ts
index 43da86773d294..dc63f0dcd480c 100644
--- a/src/plugins/console/public/application/models/legacy_core_editor/create_readonly.ts
+++ b/src/plugins/console/public/application/models/legacy_core_editor/create_readonly.ts
@@ -13,7 +13,7 @@ import * as OutputMode from './mode/output';
 import smartResize from './smart_resize';
 
 export interface CustomAceEditor extends ace.Editor {
-  update: (text: string, mode?: any, cb?: () => void) => void;
+  update: (text: string, mode?: unknown, cb?: () => void) => void;
   append: (text: string, foldPrevious?: boolean, cb?: () => void) => void;
 }
 
@@ -28,9 +28,9 @@ export function createReadOnlyAceEditor(element: HTMLElement): CustomAceEditor {
 
   output.$blockScrolling = Infinity;
   output.resize = smartResize(output);
-  output.update = (val: string, mode?: any, cb?: () => void) => {
+  output.update = (val: string, mode?: unknown, cb?: () => void) => {
     if (typeof mode === 'function') {
-      cb = mode;
+      cb = mode as () => void;
       mode = void 0;
     }
 
@@ -65,7 +65,7 @@ export function createReadOnlyAceEditor(element: HTMLElement): CustomAceEditor {
 
   (function setupSession(session) {
     session.setMode('ace/mode/text');
-    (session as any).setFoldStyle('markbeginend');
+    ((session as unknown) as { setFoldStyle: (v: string) => void }).setFoldStyle('markbeginend');
     session.setTabSize(2);
     session.setUseWrapMode(true);
   })(output.getSession());
diff --git a/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.test.mocks.ts b/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.test.mocks.ts
index c39d4549de0b6..0ee15f7a559ae 100644
--- a/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.test.mocks.ts
+++ b/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.test.mocks.ts
@@ -13,7 +13,7 @@ jest.mock('./mode/worker', () => {
 // @ts-ignore
 window.Worker = function () {
   this.postMessage = () => {};
-  (this as any).terminate = () => {};
+  ((this as unknown) as { terminate: () => void }).terminate = () => {};
 };
 
 // @ts-ignore
diff --git a/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.ts b/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.ts
index eab5ac16d17db..fa118532aa52d 100644
--- a/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.ts
+++ b/src/plugins/console/public/application/models/legacy_core_editor/legacy_core_editor.ts
@@ -31,8 +31,8 @@ const rangeToAceRange = ({ start, end }: Range) =>
   new _AceRange(start.lineNumber - 1, start.column - 1, end.lineNumber - 1, end.column - 1);
 
 export class LegacyCoreEditor implements CoreEditor {
-  private _aceOnPaste: any;
-  $actions: any;
+  private _aceOnPaste: Function;
+  $actions: JQuery<HTMLElement>;
   resize: () => void;
 
   constructor(private readonly editor: IAceEditor, actions: HTMLElement) {
@@ -41,7 +41,9 @@ export class LegacyCoreEditor implements CoreEditor {
 
     const session = this.editor.getSession();
     session.setMode(new InputMode.Mode());
-    (session as any).setFoldStyle('markbeginend');
+    ((session as unknown) as { setFoldStyle: (style: string) => void }).setFoldStyle(
+      'markbeginend'
+    );
     session.setTabSize(2);
     session.setUseWrapMode(true);
 
@@ -72,7 +74,7 @@ export class LegacyCoreEditor implements CoreEditor {
         // torn down, e.g. by closing the History tab, and we don't need to do anything further.
         if (session.bgTokenizer) {
           // Wait until the bgTokenizer is done running before executing the callback.
-          if ((session.bgTokenizer as any).running) {
+          if (((session.bgTokenizer as unknown) as { running: boolean }).running) {
             setTimeout(check, checkInterval);
           } else {
             resolve();
@@ -197,7 +199,7 @@ export class LegacyCoreEditor implements CoreEditor {
       .addMarker(rangeToAceRange(range), 'ace_snippet-marker', 'fullLine', false);
   }
 
-  removeMarker(ref: any) {
+  removeMarker(ref: number) {
     this.editor.getSession().removeMarker(ref);
   }
 
@@ -222,8 +224,10 @@ export class LegacyCoreEditor implements CoreEditor {
   }
 
   isCompleterActive() {
-    // Secrets of the arcane here.
-    return Boolean((this.editor as any).completer && (this.editor as any).completer.activated);
+    return Boolean(
+      ((this.editor as unknown) as { completer: { activated: unknown } }).completer &&
+        ((this.editor as unknown) as { completer: { activated: unknown } }).completer.activated
+    );
   }
 
   private forceRetokenize() {
@@ -250,7 +254,7 @@ export class LegacyCoreEditor implements CoreEditor {
     this._aceOnPaste.call(this.editor, text);
   }
 
-  private setActionsBar = (value?: any, topOrBottom: 'top' | 'bottom' = 'top') => {
+  private setActionsBar = (value: number | null, topOrBottom: 'top' | 'bottom' = 'top') => {
     if (value === null) {
       this.$actions.css('visibility', 'hidden');
     } else {
@@ -271,7 +275,7 @@ export class LegacyCoreEditor implements CoreEditor {
   };
 
   private hideActionsBar = () => {
-    this.setActionsBar();
+    this.setActionsBar(null);
   };
 
   execCommand(cmd: string) {
@@ -295,7 +299,7 @@ export class LegacyCoreEditor implements CoreEditor {
     });
   }
 
-  legacyUpdateUI(range: any) {
+  legacyUpdateUI(range: Range) {
     if (!this.$actions) {
       return;
     }
@@ -360,14 +364,19 @@ export class LegacyCoreEditor implements CoreEditor {
     ace.define(
       'ace/autocomplete/text_completer',
       ['require', 'exports', 'module'],
-      function (require: any, exports: any) {
-        exports.getCompletions = function (
-          innerEditor: any,
-          session: any,
-          pos: any,
-          prefix: any,
-          callback: any
-        ) {
+      function (
+        require: unknown,
+        exports: {
+          getCompletions: (
+            innerEditor: unknown,
+            session: unknown,
+            pos: unknown,
+            prefix: unknown,
+            callback: (e: null | Error, values: string[]) => void
+          ) => void;
+        }
+      ) {
+        exports.getCompletions = function (innerEditor, session, pos, prefix, callback) {
           callback(null, []);
         };
       }
@@ -387,7 +396,7 @@ export class LegacyCoreEditor implements CoreEditor {
           DO_NOT_USE_2: IAceEditSession,
           pos: { row: number; column: number },
           prefix: string,
-          callback: (...args: any[]) => void
+          callback: (...args: unknown[]) => void
         ) => {
           const position: Position = {
             lineNumber: pos.row + 1,
diff --git a/src/plugins/console/public/application/models/legacy_core_editor/smart_resize.ts b/src/plugins/console/public/application/models/legacy_core_editor/smart_resize.ts
index fdbaedce09187..83d7cd15e60eb 100644
--- a/src/plugins/console/public/application/models/legacy_core_editor/smart_resize.ts
+++ b/src/plugins/console/public/application/models/legacy_core_editor/smart_resize.ts
@@ -7,9 +7,10 @@
  */
 
 import { get, throttle } from 'lodash';
+import type { Editor } from 'brace';
 
 // eslint-disable-next-line import/no-default-export
-export default function (editor: any) {
+export default function (editor: Editor) {
   const resize = editor.resize;
 
   const throttledResize = throttle(() => {
diff --git a/src/plugins/console/public/application/models/sense_editor/curl.ts b/src/plugins/console/public/application/models/sense_editor/curl.ts
index 299ccd0a1f6a6..74cbebf051d03 100644
--- a/src/plugins/console/public/application/models/sense_editor/curl.ts
+++ b/src/plugins/console/public/application/models/sense_editor/curl.ts
@@ -25,7 +25,7 @@ export function detectCURL(text: string) {
 export function parseCURL(text: string) {
   let state = 'NONE';
   const out = [];
-  let body: any[] = [];
+  let body: string[] = [];
   let line = '';
   const lines = text.trim().split('\n');
   let matches;
@@ -62,7 +62,7 @@ export function parseCURL(text: string) {
   }
 
   function unescapeLastBodyEl() {
-    const str = body.pop().replace(/\\([\\"'])/g, '$1');
+    const str = body.pop()!.replace(/\\([\\"'])/g, '$1');
     body.push(str);
   }
 
diff --git a/src/plugins/console/public/application/models/sense_editor/sense_editor.ts b/src/plugins/console/public/application/models/sense_editor/sense_editor.ts
index d6dd74f0fefe3..0f65d3f1e33e2 100644
--- a/src/plugins/console/public/application/models/sense_editor/sense_editor.ts
+++ b/src/plugins/console/public/application/models/sense_editor/sense_editor.ts
@@ -7,8 +7,10 @@
  */
 
 import _ from 'lodash';
-import RowParser from '../../../lib/row_parser';
+
 import { XJson } from '../../../../../es_ui_shared/public';
+
+import RowParser from '../../../lib/row_parser';
 import * as utils from '../../../lib/utils';
 
 // @ts-ignore
@@ -16,22 +18,20 @@ import * as es from '../../../lib/es/es';
 
 import { CoreEditor, Position, Range } from '../../../types';
 import { createTokenIterator } from '../../factories';
-
-import Autocomplete from '../../../lib/autocomplete/autocomplete';
+import createAutocompleter from '../../../lib/autocomplete/autocomplete';
 
 const { collapseLiteralStrings } = XJson;
 
 export class SenseEditor {
-  currentReqRange: (Range & { markerRef: any }) | null;
-  parser: any;
+  currentReqRange: (Range & { markerRef: unknown }) | null;
+  parser: RowParser;
 
-  // @ts-ignore
-  private readonly autocomplete: any;
+  private readonly autocomplete: ReturnType<typeof createAutocompleter>;
 
   constructor(private readonly coreEditor: CoreEditor) {
     this.currentReqRange = null;
     this.parser = new RowParser(this.coreEditor);
-    this.autocomplete = new (Autocomplete as any)({
+    this.autocomplete = createAutocompleter({
       coreEditor,
       parser: this.parser,
     });
@@ -114,7 +114,10 @@ export class SenseEditor {
     return this.coreEditor.setValue(data, reTokenizeAll);
   };
 
-  replaceRequestRange = (newRequest: any, requestRange: Range) => {
+  replaceRequestRange = (
+    newRequest: { method: string; url: string; data: string | string[] },
+    requestRange: Range
+  ) => {
     const text = utils.textFromRequest(newRequest);
     if (requestRange) {
       this.coreEditor.replaceRange(requestRange, text);
@@ -207,12 +210,12 @@ export class SenseEditor {
     const request: {
       method: string;
       data: string[];
-      url: string | null;
+      url: string;
       range: Range;
     } = {
       method: '',
       data: [],
-      url: null,
+      url: '',
       range,
     };
 
@@ -284,7 +287,7 @@ export class SenseEditor {
       return [];
     }
 
-    const requests: any = [];
+    const requests: unknown[] = [];
 
     let rangeStartCursor = expandedRange.start.lineNumber;
     const endLineNumber = expandedRange.end.lineNumber;
diff --git a/src/plugins/console/public/application/stores/editor.ts b/src/plugins/console/public/application/stores/editor.ts
index 1de4712d9640f..3fdb0c3fd3422 100644
--- a/src/plugins/console/public/application/stores/editor.ts
+++ b/src/plugins/console/public/application/stores/editor.ts
@@ -9,8 +9,9 @@
 import { Reducer } from 'react';
 import { produce } from 'immer';
 import { identity } from 'fp-ts/lib/function';
-import { DevToolsSettings } from '../../services';
+import { DevToolsSettings, DEFAULT_SETTINGS } from '../../services';
 import { TextObject } from '../../../common/text_object';
+import { SenseEditor } from '../models';
 
 export interface Store {
   ready: boolean;
@@ -21,15 +22,15 @@ export interface Store {
 export const initialValue: Store = produce<Store>(
   {
     ready: false,
-    settings: null as any,
+    settings: DEFAULT_SETTINGS,
     currentTextObject: null,
   },
   identity
 );
 
 export type Action =
-  | { type: 'setInputEditor'; payload: any }
-  | { type: 'setCurrentTextObject'; payload: any }
+  | { type: 'setInputEditor'; payload: SenseEditor }
+  | { type: 'setCurrentTextObject'; payload: TextObject }
   | { type: 'updateSettings'; payload: DevToolsSettings };
 
 export const reducer: Reducer<Store, Action> = (state, action) =>
diff --git a/src/plugins/console/public/lib/ace_token_provider/token_provider.ts b/src/plugins/console/public/lib/ace_token_provider/token_provider.ts
index ac518d43ddf25..692528fb8bced 100644
--- a/src/plugins/console/public/lib/ace_token_provider/token_provider.ts
+++ b/src/plugins/console/public/lib/ace_token_provider/token_provider.ts
@@ -63,7 +63,7 @@ export class AceTokensProvider implements TokensProvider {
       return null;
     }
 
-    const tokens: TokenInfo[] = this.session.getTokens(lineNumber - 1) as any;
+    const tokens = (this.session.getTokens(lineNumber - 1) as unknown) as TokenInfo[];
     if (!tokens || !tokens.length) {
       // We are inside of the document but have no tokens for this line. Return an empty
       // array to represent this empty line.
@@ -74,7 +74,7 @@ export class AceTokensProvider implements TokensProvider {
   }
 
   getTokenAt(pos: Position): Token | null {
-    const tokens: TokenInfo[] = this.session.getTokens(pos.lineNumber - 1) as any;
+    const tokens = (this.session.getTokens(pos.lineNumber - 1) as unknown) as TokenInfo[];
     if (tokens) {
       return extractTokenFromAceTokenRow(pos.lineNumber, pos.column, tokens);
     }
diff --git a/src/plugins/console/public/lib/autocomplete/autocomplete.ts b/src/plugins/console/public/lib/autocomplete/autocomplete.ts
index e46b5cda3c3a9..d89a9f3d2e5e2 100644
--- a/src/plugins/console/public/lib/autocomplete/autocomplete.ts
+++ b/src/plugins/console/public/lib/autocomplete/autocomplete.ts
@@ -18,19 +18,21 @@ import {
   // @ts-ignore
 } from '../kb/kb';
 
+import { createTokenIterator } from '../../application/factories';
+import { Position, Token, Range, CoreEditor } from '../../types';
+import type RowParser from '../row_parser';
+
 import * as utils from '../utils';
 
 // @ts-ignore
 import { populateContext } from './engine';
+import { AutoCompleteContext, ResultTerm } from './types';
 // @ts-ignore
 import { URL_PATH_END_MARKER } from './components/index';
-import { createTokenIterator } from '../../application/factories';
 
-import { Position, Token, Range, CoreEditor } from '../../types';
+let lastEvaluatedToken: Token | null = null;
 
-let lastEvaluatedToken: any = null;
-
-function isUrlParamsToken(token: any) {
+function isUrlParamsToken(token: { type: string } | null) {
   switch ((token || {}).type) {
     case 'url.param':
     case 'url.equal':
@@ -54,7 +56,7 @@ function isUrlParamsToken(token: any) {
 export function getCurrentMethodAndTokenPaths(
   editor: CoreEditor,
   pos: Position,
-  parser: any,
+  parser: RowParser,
   forceEndOfUrl?: boolean /* Flag for indicating whether we want to avoid early escape optimization. */
 ) {
   const tokenIter = createTokenIterator({
@@ -62,8 +64,8 @@ export function getCurrentMethodAndTokenPaths(
     position: pos,
   });
   const startPos = pos;
-  let bodyTokenPath: any = [];
-  const ret: any = {};
+  let bodyTokenPath: string[] | null = [];
+  const ret: AutoCompleteContext = {};
 
   const STATES = {
     looking_for_key: 0, // looking for a key but without jumping over anything but white space and colon.
@@ -210,7 +212,12 @@ export function getCurrentMethodAndTokenPaths(
 
   ret.urlParamsTokenPath = null;
   ret.requestStartRow = tokenIter.getCurrentPosition().lineNumber;
-  let curUrlPart: any;
+  let curUrlPart:
+    | null
+    | string
+    | Array<string | Record<string, unknown>>
+    | undefined
+    | Record<string, unknown>;
 
   while (t && isUrlParamsToken(t)) {
     switch (t.type) {
@@ -240,7 +247,7 @@ export function getCurrentMethodAndTokenPaths(
         if (!ret.urlParamsTokenPath) {
           ret.urlParamsTokenPath = [];
         }
-        ret.urlParamsTokenPath.unshift(curUrlPart || {});
+        ret.urlParamsTokenPath.unshift((curUrlPart as Record<string, string>) || {});
         curUrlPart = null;
         break;
     }
@@ -268,7 +275,7 @@ export function getCurrentMethodAndTokenPaths(
         break;
       case 'url.slash':
         if (curUrlPart) {
-          ret.urlTokenPath.unshift(curUrlPart);
+          ret.urlTokenPath.unshift(curUrlPart as string);
           curUrlPart = null;
         }
         break;
@@ -277,7 +284,7 @@ export function getCurrentMethodAndTokenPaths(
   }
 
   if (curUrlPart) {
-    ret.urlTokenPath.unshift(curUrlPart);
+    ret.urlTokenPath.unshift(curUrlPart as string);
   }
 
   if (!ret.bodyTokenPath && !ret.urlParamsTokenPath) {
@@ -297,9 +304,15 @@ export function getCurrentMethodAndTokenPaths(
 }
 
 // eslint-disable-next-line
-export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEditor; parser: any }) {
+export default function ({
+  coreEditor: editor,
+  parser,
+}: {
+  coreEditor: CoreEditor;
+  parser: RowParser;
+}) {
   function isUrlPathToken(token: Token | null) {
-    switch ((token || ({} as any)).type) {
+    switch ((token || ({} as Token)).type) {
       case 'url.slash':
       case 'url.comma':
       case 'url.part':
@@ -309,8 +322,12 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     }
   }
 
-  function addMetaToTermsList(list: any, meta: any, template?: string) {
-    return _.map(list, function (t: any) {
+  function addMetaToTermsList(
+    list: unknown[],
+    meta: unknown,
+    template?: string
+  ): Array<{ meta: unknown; template: unknown; name?: string }> {
+    return _.map(list, function (t) {
       if (typeof t !== 'object') {
         t = { name: t };
       }
@@ -318,8 +335,13 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     });
   }
 
-  function applyTerm(term: any) {
-    const context = term.context;
+  function applyTerm(term: {
+    value?: string;
+    context?: AutoCompleteContext;
+    template?: { __raw: boolean; value: string };
+    insertValue?: string;
+  }) {
+    const context = term.context!;
 
     // make sure we get up to date replacement info.
     addReplacementInfoToContext(context, editor.getCurrentPosition(), term.insertValue);
@@ -346,7 +368,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
       } else {
         indentedTemplateLines = utils.jsonToString(term.template, true).split('\n');
       }
-      let currentIndentation = editor.getLineValue(context.rangeToReplace.start.lineNumber);
+      let currentIndentation = editor.getLineValue(context.rangeToReplace!.start.lineNumber);
       currentIndentation = currentIndentation.match(/^\s*/)![0];
       for (
         let i = 1;
@@ -374,8 +396,8 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     // disable listening to the changes we are making.
     editor.off('changeSelection', editorChangeListener);
 
-    if (context.rangeToReplace.start.column !== context.rangeToReplace.end.column) {
-      editor.replace(context.rangeToReplace, valueToInsert);
+    if (context.rangeToReplace!.start.column !== context.rangeToReplace!.end.column) {
+      editor.replace(context.rangeToReplace!, valueToInsert);
     } else {
       editor.insert(valueToInsert);
     }
@@ -384,12 +406,12 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
 
     // go back to see whether we have one of ( : { & [ do not require a comma. All the rest do.
     let newPos = {
-      lineNumber: context.rangeToReplace.start.lineNumber,
+      lineNumber: context.rangeToReplace!.start.lineNumber,
       column:
-        context.rangeToReplace.start.column +
+        context.rangeToReplace!.start.column +
         termAsString.length +
-        context.prefixToAdd.length +
-        (templateInserted ? 0 : context.suffixToAdd.length),
+        context.prefixToAdd!.length +
+        (templateInserted ? 0 : context.suffixToAdd!.length),
     };
 
     const tokenIter = createTokenIterator({
@@ -406,7 +428,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
           break;
         case 'punctuation.colon':
           nonEmptyToken = parser.nextNonEmptyToken(tokenIter);
-          if ((nonEmptyToken || ({} as any)).type === 'paren.lparen') {
+          if ((nonEmptyToken || ({} as Token)).type === 'paren.lparen') {
             nonEmptyToken = parser.nextNonEmptyToken(tokenIter);
             newPos = tokenIter.getCurrentPosition();
             if (nonEmptyToken && nonEmptyToken.value.indexOf('"') === 0) {
@@ -429,7 +451,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
 
   function getAutoCompleteContext(ctxEditor: CoreEditor, pos: Position) {
     // deduces all the parameters need to position and insert the auto complete
-    const context: any = {
+    const context: AutoCompleteContext = {
       autoCompleteSet: null, // instructions for what can be here
       endpoint: null,
       urlPath: null,
@@ -501,7 +523,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
         case 'whitespace':
           t = parser.prevNonEmptyToken(tokenIter);
 
-          switch ((t || ({} as any)).type) {
+          switch ((t || ({} as Token)).type) {
             case 'method':
               // we moved one back
               return 'path';
@@ -552,7 +574,11 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     return null;
   }
 
-  function addReplacementInfoToContext(context: any, pos: Position, replacingTerm?: any) {
+  function addReplacementInfoToContext(
+    context: AutoCompleteContext,
+    pos: Position,
+    replacingTerm?: unknown
+  ) {
     // extract the initial value, rangeToReplace & textBoxPosition
 
     // Scenarios for current token:
@@ -605,7 +631,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
       default:
         if (replacingTerm && context.updatedForToken.value === replacingTerm) {
           context.rangeToReplace = {
-            start: { lineNumber: pos.lineNumber, column: anchorToken.column },
+            start: { lineNumber: pos.lineNumber, column: anchorToken.position.column },
             end: {
               lineNumber: pos.lineNumber,
               column:
@@ -645,7 +671,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     }
   }
 
-  function addBodyPrefixSuffixToContext(context: any) {
+  function addBodyPrefixSuffixToContext(context: AutoCompleteContext) {
     // Figure out what happens next to the token to see whether it needs trailing commas etc.
 
     // Templates will be used if not destroying existing structure.
@@ -680,9 +706,9 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
         }
         context.addTemplate = true;
         // extend range to replace to include all up to token
-        context.rangeToReplace.end.lineNumber = tokenIter.getCurrentTokenLineNumber();
-        context.rangeToReplace.end.column =
-          tokenIter.getCurrentTokenColumn() + nonEmptyToken.value.length;
+        context.rangeToReplace!.end.lineNumber = tokenIter.getCurrentTokenLineNumber() as number;
+        context.rangeToReplace!.end.column =
+          (tokenIter.getCurrentTokenColumn() as number) + nonEmptyToken.value.length;
 
         // move one more time to check if we need a trailing comma
         nonEmptyToken = parser.nextNonEmptyToken(tokenIter);
@@ -711,11 +737,11 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
       insertingRelativeToToken = 0;
     } else {
       const pos = editor.getCurrentPosition();
-      if (pos.column === context.updatedForToken.position.column) {
+      if (pos.column === context.updatedForToken!.position.column) {
         insertingRelativeToToken = -1;
       } else if (
         pos.column <
-        context.updatedForToken.position.column + context.updatedForToken.value.length
+        context.updatedForToken!.position.column + context.updatedForToken!.value.length
       ) {
         insertingRelativeToToken = 0;
       } else {
@@ -743,12 +769,12 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     return context;
   }
 
-  function addUrlParamsPrefixSuffixToContext(context: any) {
+  function addUrlParamsPrefixSuffixToContext(context: AutoCompleteContext) {
     context.prefixToAdd = '';
     context.suffixToAdd = '';
   }
 
-  function addMethodPrefixSuffixToContext(context: any) {
+  function addMethodPrefixSuffixToContext(context: AutoCompleteContext) {
     context.prefixToAdd = '';
     context.suffixToAdd = '';
     const tokenIter = createTokenIterator({ editor, position: editor.getCurrentPosition() });
@@ -761,12 +787,12 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     }
   }
 
-  function addPathPrefixSuffixToContext(context: any) {
+  function addPathPrefixSuffixToContext(context: AutoCompleteContext) {
     context.prefixToAdd = '';
     context.suffixToAdd = '';
   }
 
-  function addMethodAutoCompleteSetToContext(context: any) {
+  function addMethodAutoCompleteSetToContext(context: AutoCompleteContext) {
     context.autoCompleteSet = ['GET', 'PUT', 'POST', 'DELETE', 'HEAD'].map((m, i) => ({
       name: m,
       score: -i,
@@ -774,7 +800,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     }));
   }
 
-  function addPathAutoCompleteSetToContext(context: any, pos: Position) {
+  function addPathAutoCompleteSetToContext(context: AutoCompleteContext, pos: Position) {
     const ret = getCurrentMethodAndTokenPaths(editor, pos, parser);
     context.method = ret.method;
     context.token = ret.token;
@@ -783,10 +809,10 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     const components = getTopLevelUrlCompleteComponents(context.method);
     populateContext(ret.urlTokenPath, context, editor, true, components);
 
-    context.autoCompleteSet = addMetaToTermsList(context.autoCompleteSet, 'endpoint');
+    context.autoCompleteSet = addMetaToTermsList(context.autoCompleteSet!, 'endpoint');
   }
 
-  function addUrlParamsAutoCompleteSetToContext(context: any, pos: Position) {
+  function addUrlParamsAutoCompleteSetToContext(context: AutoCompleteContext, pos: Position) {
     const ret = getCurrentMethodAndTokenPaths(editor, pos, parser);
     context.method = ret.method;
     context.otherTokenValues = ret.otherTokenValues;
@@ -813,7 +839,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
       // zero length tokenPath is true
       return context;
     }
-    let tokenPath: any[] = [];
+    let tokenPath: string[] = [];
     const currentParam = ret.urlParamsTokenPath.pop();
     if (currentParam) {
       tokenPath = Object.keys(currentParam); // single key object
@@ -830,7 +856,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     return context;
   }
 
-  function addBodyAutoCompleteSetToContext(context: any, pos: Position) {
+  function addBodyAutoCompleteSetToContext(context: AutoCompleteContext, pos: Position) {
     const ret = getCurrentMethodAndTokenPaths(editor, pos, parser);
     context.method = ret.method;
     context.otherTokenValues = ret.otherTokenValues;
@@ -859,7 +885,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     // needed for scope linking + global term resolving
     context.endpointComponentResolver = getEndpointBodyCompleteComponents;
     context.globalComponentResolver = getGlobalAutocompleteComponents;
-    let components;
+    let components: unknown;
     if (context.endpoint) {
       components = context.endpoint.bodyAutocompleteRootComponents;
     } else {
@@ -935,15 +961,19 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     }
   }
 
-  function getCompletions(position: Position, prefix: string, callback: (...args: any[]) => void) {
+  function getCompletions(
+    position: Position,
+    prefix: string,
+    callback: (e: Error | null, result: ResultTerm[] | null) => void
+  ) {
     try {
       const context = getAutoCompleteContext(editor, position);
       if (!context) {
         callback(null, []);
       } else {
         const terms = _.map(
-          context.autoCompleteSet.filter((term: any) => Boolean(term) && term.name != null),
-          function (term: any) {
+          context.autoCompleteSet!.filter((term) => Boolean(term) && term.name != null),
+          function (term) {
             if (typeof term !== 'object') {
               term = {
                 name: term,
@@ -951,7 +981,13 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
             } else {
               term = _.clone(term);
             }
-            const defaults: any = {
+            const defaults: {
+              value?: string;
+              meta: string;
+              score: number;
+              context: AutoCompleteContext;
+              completer?: { insertMatch: (v: unknown) => void };
+            } = {
               value: term.name,
               meta: 'API',
               score: 0,
@@ -969,7 +1005,10 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
           }
         );
 
-        terms.sort(function (t1: any, t2: any) {
+        terms.sort(function (
+          t1: { score: number; name?: string },
+          t2: { score: number; name?: string }
+        ) {
           /* score sorts from high to low */
           if (t1.score > t2.score) {
             return -1;
@@ -978,7 +1017,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
             return 1;
           }
           /* names sort from low to high */
-          if (t1.name < t2.name) {
+          if (t1.name! < t2.name!) {
             return -1;
           }
           if (t1.name === t2.name) {
@@ -989,7 +1028,7 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
 
         callback(
           null,
-          _.map(terms, function (t: any, i: any) {
+          _.map(terms, function (t, i) {
             t.insertValue = t.insertValue || t.value;
             t.value = '' + t.value; // normalize to strings
             t.score = -i;
@@ -1010,8 +1049,13 @@ export default function ({ coreEditor: editor, parser }: { coreEditor: CoreEdito
     getCompletions,
     // TODO: This needs to be cleaned up
     _test: {
-      getCompletions: (_editor: any, _editSession: any, pos: any, prefix: any, callback: any) =>
-        getCompletions(pos, prefix, callback),
+      getCompletions: (
+        _editor: unknown,
+        _editSession: unknown,
+        pos: Position,
+        prefix: string,
+        callback: (e: Error | null, result: ResultTerm[] | null) => void
+      ) => getCompletions(pos, prefix, callback),
       addReplacementInfoToContext,
       addChangeListener: () => editor.on('changeSelection', editorChangeListener),
       removeChangeListener: () => editor.off('changeSelection', editorChangeListener),
diff --git a/src/plugins/console/public/lib/autocomplete/components/full_request_component.ts b/src/plugins/console/public/lib/autocomplete/components/full_request_component.ts
index 935e3622bde04..64aefa7b4a121 100644
--- a/src/plugins/console/public/lib/autocomplete/components/full_request_component.ts
+++ b/src/plugins/console/public/lib/autocomplete/components/full_request_component.ts
@@ -11,7 +11,7 @@ import { ConstantComponent } from './constant_component';
 
 export class FullRequestComponent extends ConstantComponent {
   private readonly name: string;
-  constructor(name: string, parent: any, private readonly template: string) {
+  constructor(name: string, parent: unknown, private readonly template: string) {
     super(name, parent);
     this.name = name;
   }
diff --git a/src/plugins/console/public/lib/autocomplete/get_endpoint_from_position.ts b/src/plugins/console/public/lib/autocomplete/get_endpoint_from_position.ts
index 849123bc68a71..fe24492df0e7b 100644
--- a/src/plugins/console/public/lib/autocomplete/get_endpoint_from_position.ts
+++ b/src/plugins/console/public/lib/autocomplete/get_endpoint_from_position.ts
@@ -8,13 +8,14 @@
 
 import { CoreEditor, Position } from '../../types';
 import { getCurrentMethodAndTokenPaths } from './autocomplete';
+import type RowParser from '../row_parser';
 
 // @ts-ignore
 import { getTopLevelUrlCompleteComponents } from '../kb/kb';
 // @ts-ignore
 import { populateContext } from './engine';
 
-export function getEndpointFromPosition(editor: CoreEditor, pos: Position, parser: any) {
+export function getEndpointFromPosition(editor: CoreEditor, pos: Position, parser: RowParser) {
   const lineValue = editor.getLineValue(pos.lineNumber);
   const context = {
     ...getCurrentMethodAndTokenPaths(
diff --git a/src/plugins/console/public/lib/autocomplete/types.ts b/src/plugins/console/public/lib/autocomplete/types.ts
new file mode 100644
index 0000000000000..33c543f43be9e
--- /dev/null
+++ b/src/plugins/console/public/lib/autocomplete/types.ts
@@ -0,0 +1,61 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { CoreEditor, Range, Token } from '../../types';
+
+export interface ResultTerm {
+  context?: AutoCompleteContext;
+  insertValue?: string;
+  name?: string;
+  value?: string;
+}
+
+export interface AutoCompleteContext {
+  autoCompleteSet?: null | ResultTerm[];
+  endpoint?: null | {
+    paramsAutocomplete: {
+      getTopLevelComponents: (method?: string | null) => unknown;
+    };
+    bodyAutocompleteRootComponents: unknown;
+    id?: string;
+    documentation?: string;
+  };
+  urlPath?: null | unknown;
+  urlParamsTokenPath?: Array<Record<string, string>> | null;
+  method?: string | null;
+  token?: Token;
+  activeScheme?: unknown;
+  replacingToken?: boolean;
+  rangeToReplace?: Range;
+  autoCompleteType?: null | string;
+  editor?: CoreEditor;
+
+  /**
+   * The tokenized user input that prompted the current autocomplete at the cursor. This can be out of sync with
+   * the input that is currently being displayed in the editor.
+   */
+  createdWithToken?: Token | null;
+
+  /**
+   * The tokenized user input that is currently being displayed at the cursor in the editor when the user accepted
+   * the autocomplete suggestion.
+   */
+  updatedForToken?: Token | null;
+
+  addTemplate?: unknown;
+  prefixToAdd?: string;
+  suffixToAdd?: string;
+  textBoxPosition?: { lineNumber: number; column: number };
+  urlTokenPath?: string[];
+  otherTokenValues?: string;
+  requestStartRow?: number | null;
+  bodyTokenPath?: string[] | null;
+  endpointComponentResolver?: unknown;
+  globalComponentResolver?: unknown;
+  documentation?: string;
+}
diff --git a/src/plugins/console/public/lib/es/es.ts b/src/plugins/console/public/lib/es/es.ts
index 03ee218fa2e1d..dffc2c9682cf2 100644
--- a/src/plugins/console/public/lib/es/es.ts
+++ b/src/plugins/console/public/lib/es/es.ts
@@ -19,7 +19,7 @@ export function getVersion() {
   return esVersion;
 }
 
-export function getContentType(body: any) {
+export function getContentType(body: unknown) {
   if (!body) return;
   return 'application/json';
 }
@@ -27,7 +27,7 @@ export function getContentType(body: any) {
 export function send(
   method: string,
   path: string,
-  data: any,
+  data: string | object,
   { asSystemRequest }: SendOptions = {}
 ) {
   const wrappedDfd = $.Deferred();
@@ -47,10 +47,10 @@ export function send(
   };
 
   $.ajax(options).then(
-    (responseData: any, textStatus: string, jqXHR: any) => {
+    (responseData, textStatus: string, jqXHR: unknown) => {
       wrappedDfd.resolveWith({}, [responseData, textStatus, jqXHR]);
     },
-    ((jqXHR: any, textStatus: string, errorThrown: Error) => {
+    ((jqXHR: { status: number; responseText: string }, textStatus: string, errorThrown: Error) => {
       if (jqXHR.status === 0) {
         jqXHR.responseText =
           "\n\nFailed to connect to Console's backend.\nPlease check the Kibana server is up and running";
diff --git a/src/plugins/console/public/lib/row_parser.ts b/src/plugins/console/public/lib/row_parser.ts
index 5f8fb08ca1d6f..e18bf6ac6446b 100644
--- a/src/plugins/console/public/lib/row_parser.ts
+++ b/src/plugins/console/public/lib/row_parser.ts
@@ -75,7 +75,7 @@ export default class RowParser {
     return MODE.REQUEST_START;
   }
 
-  rowPredicate(lineNumber: number | undefined, editor: CoreEditor, value: any) {
+  rowPredicate(lineNumber: number | undefined, editor: CoreEditor, value: number) {
     const mode = this.getRowParseMode(lineNumber);
     // eslint-disable-next-line no-bitwise
     return (mode & value) > 0;
diff --git a/src/plugins/console/public/lib/token_iterator/token_iterator.test.ts b/src/plugins/console/public/lib/token_iterator/token_iterator.test.ts
index bc28e1d9e1a03..6b2f556f82a0e 100644
--- a/src/plugins/console/public/lib/token_iterator/token_iterator.test.ts
+++ b/src/plugins/console/public/lib/token_iterator/token_iterator.test.ts
@@ -15,7 +15,7 @@ const mockTokensProviderFactory = (tokenMtx: Token[][]): TokensProvider => {
       return tokenMtx[lineNumber - 1] || null;
     },
     getTokenAt(pos: Position): Token | null {
-      return null as any;
+      return null;
     },
   };
 };
diff --git a/src/plugins/console/public/lib/utils/index.ts b/src/plugins/console/public/lib/utils/index.ts
index 71b305807e61d..8b8974f4e2f0d 100644
--- a/src/plugins/console/public/lib/utils/index.ts
+++ b/src/plugins/console/public/lib/utils/index.ts
@@ -11,7 +11,7 @@ import { XJson } from '../../../../es_ui_shared/public';
 
 const { collapseLiteralStrings, expandLiteralStrings } = XJson;
 
-export function textFromRequest(request: any) {
+export function textFromRequest(request: { method: string; url: string; data: string | string[] }) {
   let data = request.data;
   if (typeof data !== 'string') {
     data = data.join('\n');
@@ -19,7 +19,7 @@ export function textFromRequest(request: any) {
   return request.method + ' ' + request.url + '\n' + data;
 }
 
-export function jsonToString(data: any, indent: boolean) {
+export function jsonToString(data: object, indent: boolean) {
   return JSON.stringify(data, null, indent ? 2 : 0);
 }
 
diff --git a/src/plugins/console/public/services/history.ts b/src/plugins/console/public/services/history.ts
index 1dd18f8672a4b..ee1e97ceb386e 100644
--- a/src/plugins/console/public/services/history.ts
+++ b/src/plugins/console/public/services/history.ts
@@ -35,12 +35,12 @@ export class History {
   // be triggered from different places in the app. The alternative would be to store
   // this in state so that we hook into the React model, but it would require loading history
   // every time the application starts even if a user is not going to view history.
-  change(listener: (reqs: any[]) => void) {
+  change(listener: (reqs: unknown[]) => void) {
     const subscription = this.changeEmitter.subscribe(listener);
     return () => subscription.unsubscribe();
   }
 
-  addToHistory(endpoint: string, method: string, data: any) {
+  addToHistory(endpoint: string, method: string, data?: string) {
     const keys = this.getHistoryKeys();
     keys.splice(0, MAX_NUMBER_OF_HISTORY_ITEMS); // only maintain most recent X;
     keys.forEach((key) => {
@@ -59,7 +59,7 @@ export class History {
     this.changeEmitter.next(this.getHistory());
   }
 
-  updateCurrentState(content: any) {
+  updateCurrentState(content: string) {
     const timestamp = new Date().getTime();
     this.storage.set('editor_state', {
       time: timestamp,
diff --git a/src/plugins/console/public/services/index.ts b/src/plugins/console/public/services/index.ts
index b6bcafc974b93..2b1e64525d0f9 100644
--- a/src/plugins/console/public/services/index.ts
+++ b/src/plugins/console/public/services/index.ts
@@ -8,4 +8,4 @@
 
 export { createHistory, History } from './history';
 export { createStorage, Storage, StorageKeys } from './storage';
-export { createSettings, Settings, DevToolsSettings } from './settings';
+export { createSettings, Settings, DevToolsSettings, DEFAULT_SETTINGS } from './settings';
diff --git a/src/plugins/console/public/services/settings.ts b/src/plugins/console/public/services/settings.ts
index 8f142e876293e..647ac1e0ad09f 100644
--- a/src/plugins/console/public/services/settings.ts
+++ b/src/plugins/console/public/services/settings.ts
@@ -8,6 +8,14 @@
 
 import { Storage } from './index';
 
+export const DEFAULT_SETTINGS = Object.freeze({
+  fontSize: 14,
+  polling: true,
+  tripleQuotes: true,
+  wrapMode: true,
+  autocomplete: Object.freeze({ fields: true, indices: true, templates: true }),
+});
+
 export interface DevToolsSettings {
   fontSize: number;
   wrapMode: boolean;
@@ -24,50 +32,46 @@ export class Settings {
   constructor(private readonly storage: Storage) {}
 
   getFontSize() {
-    return this.storage.get('font_size', 14);
+    return this.storage.get('font_size', DEFAULT_SETTINGS.fontSize);
   }
 
-  setFontSize(size: any) {
+  setFontSize(size: number) {
     this.storage.set('font_size', size);
     return true;
   }
 
   getWrapMode() {
-    return this.storage.get('wrap_mode', true);
+    return this.storage.get('wrap_mode', DEFAULT_SETTINGS.wrapMode);
   }
 
-  setWrapMode(mode: any) {
+  setWrapMode(mode: boolean) {
     this.storage.set('wrap_mode', mode);
     return true;
   }
 
-  setTripleQuotes(tripleQuotes: any) {
+  setTripleQuotes(tripleQuotes: boolean) {
     this.storage.set('triple_quotes', tripleQuotes);
     return true;
   }
 
   getTripleQuotes() {
-    return this.storage.get('triple_quotes', true);
+    return this.storage.get('triple_quotes', DEFAULT_SETTINGS.tripleQuotes);
   }
 
   getAutocomplete() {
-    return this.storage.get('autocomplete_settings', {
-      fields: true,
-      indices: true,
-      templates: true,
-    });
+    return this.storage.get('autocomplete_settings', DEFAULT_SETTINGS.autocomplete);
   }
 
-  setAutocomplete(settings: any) {
+  setAutocomplete(settings: object) {
     this.storage.set('autocomplete_settings', settings);
     return true;
   }
 
   getPolling() {
-    return this.storage.get('console_polling', true);
+    return this.storage.get('console_polling', DEFAULT_SETTINGS.polling);
   }
 
-  setPolling(polling: any) {
+  setPolling(polling: boolean) {
     this.storage.set('console_polling', polling);
     return true;
   }
diff --git a/src/plugins/console/public/services/storage.ts b/src/plugins/console/public/services/storage.ts
index d933024625e77..221020e496fec 100644
--- a/src/plugins/console/public/services/storage.ts
+++ b/src/plugins/console/public/services/storage.ts
@@ -17,11 +17,11 @@ export enum StorageKeys {
 export class Storage {
   constructor(private readonly engine: IStorageEngine, private readonly prefix: string) {}
 
-  encode(val: any) {
+  encode(val: unknown) {
     return JSON.stringify(val);
   }
 
-  decode(val: any) {
+  decode(val: string | null) {
     if (typeof val === 'string') {
       return JSON.parse(val);
     }
@@ -37,7 +37,7 @@ export class Storage {
     }
   }
 
-  set(key: string, val: any) {
+  set(key: string, val: unknown) {
     this.engine.setItem(this.encodeKey(key), this.encode(val));
     return val;
   }
diff --git a/src/plugins/console/public/types/common.ts b/src/plugins/console/public/types/common.ts
index 77b3d7c4477fc..53d896ad01d2f 100644
--- a/src/plugins/console/public/types/common.ts
+++ b/src/plugins/console/public/types/common.ts
@@ -11,6 +11,12 @@ export interface MetricsTracker {
   load: (eventName: string) => void;
 }
 
+export interface ESRequest {
+  method: string;
+  endpoint: string;
+  data?: string;
+}
+
 export type BaseResponseType =
   | 'application/json'
   | 'text/csv'
diff --git a/src/plugins/console/public/types/core_editor.ts b/src/plugins/console/public/types/core_editor.ts
index f5e81f413d5c5..cc344d6bcc881 100644
--- a/src/plugins/console/public/types/core_editor.ts
+++ b/src/plugins/console/public/types/core_editor.ts
@@ -21,7 +21,7 @@ export type EditorEvent =
 export type AutoCompleterFunction = (
   pos: Position,
   prefix: string,
-  callback: (...args: any[]) => void
+  callback: (...args: unknown[]) => void
 ) => void;
 
 export interface Position {
@@ -235,7 +235,7 @@ export interface CoreEditor {
    * have this backdoor to update UI in response to request range changes, for example, as the user
    * moves the cursor around
    */
-  legacyUpdateUI(opts: any): void;
+  legacyUpdateUI(opts: unknown): void;
 
   /**
    * A method to for the editor to resize, useful when, for instance, window size changes.
@@ -250,7 +250,11 @@ export interface CoreEditor {
   /**
    * Register a keyboard shortcut and provide a function to be called.
    */
-  registerKeyboardShortcut(opts: { keys: any; fn: () => void; name: string }): void;
+  registerKeyboardShortcut(opts: {
+    keys: string | { win?: string; mac?: string };
+    fn: () => void;
+    name: string;
+  }): void;
 
   /**
    * Register a completions function that will be called when the editor
diff --git a/src/plugins/console/server/lib/elasticsearch_proxy_config.ts b/src/plugins/console/server/lib/elasticsearch_proxy_config.ts
index 757142c87a119..bad6942d0c9af 100644
--- a/src/plugins/console/server/lib/elasticsearch_proxy_config.ts
+++ b/src/plugins/console/server/lib/elasticsearch_proxy_config.ts
@@ -14,7 +14,7 @@ import url from 'url';
 import { ESConfigForProxy } from '../types';
 
 const createAgent = (legacyConfig: ESConfigForProxy) => {
-  const target = url.parse(_.head(legacyConfig.hosts) as any);
+  const target = url.parse(_.head(legacyConfig.hosts)!);
   if (!/^https/.test(target.protocol || '')) return new http.Agent();
 
   const agentOptions: https.AgentOptions = {};
@@ -28,7 +28,7 @@ const createAgent = (legacyConfig: ESConfigForProxy) => {
       agentOptions.rejectUnauthorized = true;
 
       // by default, NodeJS is checking the server identify
-      agentOptions.checkServerIdentity = _.noop as any;
+      agentOptions.checkServerIdentity = (_.noop as unknown) as https.AgentOptions['checkServerIdentity'];
       break;
     case 'full':
       agentOptions.rejectUnauthorized = true;
diff --git a/src/plugins/console/server/lib/proxy_config.ts b/src/plugins/console/server/lib/proxy_config.ts
index 556f6affca91d..8e2633545799b 100644
--- a/src/plugins/console/server/lib/proxy_config.ts
+++ b/src/plugins/console/server/lib/proxy_config.ts
@@ -12,6 +12,17 @@ import { Agent as HttpsAgent, AgentOptions } from 'https';
 
 import { WildcardMatcher } from './wildcard_matcher';
 
+interface Config {
+  match: {
+    protocol: string;
+    host: string;
+    port: string;
+    path: string;
+  };
+  ssl?: { verify?: boolean; ca?: string; cert?: string; key?: string };
+  timeout: number;
+}
+
 export class ProxyConfig {
   // @ts-ignore
   private id: string;
@@ -26,9 +37,9 @@ export class ProxyConfig {
 
   private readonly sslAgent?: HttpsAgent;
 
-  private verifySsl: any;
+  private verifySsl: undefined | boolean;
 
-  constructor(config: { match: any; timeout: number }) {
+  constructor(config: Config) {
     config = {
       ...config,
     };
@@ -61,8 +72,8 @@ export class ProxyConfig {
     this.sslAgent = this._makeSslAgent(config);
   }
 
-  _makeSslAgent(config: any) {
-    const ssl = config.ssl || {};
+  _makeSslAgent(config: Config) {
+    const ssl: Config['ssl'] = config.ssl || {};
     this.verifySsl = ssl.verify;
 
     const sslAgentOpts: AgentOptions = {
diff --git a/src/plugins/console/server/lib/proxy_config_collection.ts b/src/plugins/console/server/lib/proxy_config_collection.ts
index 83900838332b5..f6c0b7c659de0 100644
--- a/src/plugins/console/server/lib/proxy_config_collection.ts
+++ b/src/plugins/console/server/lib/proxy_config_collection.ts
@@ -6,6 +6,7 @@
  * Side Public License, v 1.
  */
 
+import type { Agent } from 'http';
 import { defaultsDeep } from 'lodash';
 import { parse as parseUrl } from 'url';
 
@@ -14,7 +15,12 @@ import { ProxyConfig } from './proxy_config';
 export class ProxyConfigCollection {
   private configs: ProxyConfig[];
 
-  constructor(configs: Array<{ match: any; timeout: number }> = []) {
+  constructor(
+    configs: Array<{
+      match: { protocol: string; host: string; port: string; path: string };
+      timeout: number;
+    }> = []
+  ) {
     this.configs = configs.map((settings) => new ProxyConfig(settings));
   }
 
@@ -22,7 +28,7 @@ export class ProxyConfigCollection {
     return Boolean(this.configs.length);
   }
 
-  configForUri(uri: string): object {
+  configForUri(uri: string): { agent: Agent; timeout: number } {
     const parsedUri = parseUrl(uri);
     const settings = this.configs.map((config) => config.getForParsedUri(parsedUri as any));
     return defaultsDeep({}, ...settings);
diff --git a/src/plugins/console/server/lib/proxy_request.test.ts b/src/plugins/console/server/lib/proxy_request.test.ts
index 3fb915f0540b4..25257aa4c5579 100644
--- a/src/plugins/console/server/lib/proxy_request.test.ts
+++ b/src/plugins/console/server/lib/proxy_request.test.ts
@@ -55,7 +55,7 @@ describe(`Console's send request`, () => {
     fakeRequest = {
       abort: sinon.stub(),
       on() {},
-      once(event: string, fn: any) {
+      once(event: string, fn: (v: string) => void) {
         if (event === 'response') {
           return fn('done');
         }
diff --git a/src/plugins/console/server/lib/proxy_request.ts b/src/plugins/console/server/lib/proxy_request.ts
index d5914ab32bab7..46b4aa642a70e 100644
--- a/src/plugins/console/server/lib/proxy_request.ts
+++ b/src/plugins/console/server/lib/proxy_request.ts
@@ -46,9 +46,9 @@ export const proxyRequest = ({
   const client = uri.protocol === 'https:' ? https : http;
   let resolved = false;
 
-  let resolve: any;
-  let reject: any;
-  const reqPromise = new Promise<http.ServerResponse>((res, rej) => {
+  let resolve: (res: http.IncomingMessage) => void;
+  let reject: (res: unknown) => void;
+  const reqPromise = new Promise<http.IncomingMessage>((res, rej) => {
     resolve = res;
     reject = rej;
   });
diff --git a/src/plugins/console/server/routes/api/console/proxy/body.test.ts b/src/plugins/console/server/routes/api/console/proxy/body.test.ts
index 64e2918764d00..80a2e075957de 100644
--- a/src/plugins/console/server/routes/api/console/proxy/body.test.ts
+++ b/src/plugins/console/server/routes/api/console/proxy/body.test.ts
@@ -5,7 +5,7 @@
  * in compliance with, at your election, the Elastic License 2.0 or the Server
  * Side Public License, v 1.
  */
-
+import { IKibanaResponse } from 'src/core/server';
 import { getProxyRouteHandlerDeps } from './mocks';
 
 import { Readable } from 'stream';
@@ -16,10 +16,14 @@ import * as requestModule from '../../../../lib/proxy_request';
 import { createResponseStub } from './stubs';
 
 describe('Console Proxy Route', () => {
-  let request: any;
+  let request: (
+    method: string,
+    path: string,
+    response?: string
+  ) => Promise<IKibanaResponse> | IKibanaResponse;
 
   beforeEach(() => {
-    request = (method: string, path: string, response: string) => {
+    request = (method, path, response) => {
       (requestModule.proxyRequest as jest.Mock).mockResolvedValue(createResponseStub(response));
       const handler = createHandler(getProxyRouteHandlerDeps({}));
 
diff --git a/src/plugins/console/server/routes/api/console/proxy/create_handler.ts b/src/plugins/console/server/routes/api/console/proxy/create_handler.ts
index 290a2cdec7b76..6a514483d14f2 100644
--- a/src/plugins/console/server/routes/api/console/proxy/create_handler.ts
+++ b/src/plugins/console/server/routes/api/console/proxy/create_handler.ts
@@ -41,7 +41,7 @@ function toURL(base: string, path: string) {
 }
 
 function filterHeaders(originalHeaders: object, headersToKeep: string[]): object {
-  const normalizeHeader = function (header: any) {
+  const normalizeHeader = function (header: string) {
     if (!header) {
       return '';
     }
@@ -68,7 +68,7 @@ function getRequestConfig(
     return {
       ...proxyConfigCollection.configForUri(uri),
       headers: newHeaders,
-    } as any;
+    };
   }
 
   return {
@@ -81,7 +81,7 @@ function getProxyHeaders(req: KibanaRequest) {
   const headers = Object.create(null);
 
   // Scope this proto-unsafe functionality to where it is being used.
-  function extendCommaList(obj: Record<string, any>, property: string, value: any) {
+  function extendCommaList(obj: Record<string, any>, property: string, value: string) {
     obj[property] = (obj[property] ? obj[property] + ',' : '') + value;
   }
 
@@ -142,7 +142,7 @@ export const createHandler = ({
       };
 
       esIncomingMessage = await proxyRequest({
-        method: method.toLowerCase() as any,
+        method: method.toLowerCase() as 'get' | 'post' | 'put' | 'delete' | 'patch' | 'head',
         headers: requestHeaders,
         uri,
         timeout,
diff --git a/src/plugins/console/server/routes/api/console/proxy/query_string.test.ts b/src/plugins/console/server/routes/api/console/proxy/query_string.test.ts
index 19b5070236872..be4f1dbab942f 100644
--- a/src/plugins/console/server/routes/api/console/proxy/query_string.test.ts
+++ b/src/plugins/console/server/routes/api/console/proxy/query_string.test.ts
@@ -6,6 +6,7 @@
  * Side Public License, v 1.
  */
 
+import type { IKibanaResponse } from 'src/core/server';
 import { kibanaResponseFactory } from '../../../../../../../core/server';
 import { getProxyRouteHandlerDeps } from './mocks';
 import { createResponseStub } from './stubs';
@@ -14,7 +15,7 @@ import * as requestModule from '../../../../lib/proxy_request';
 import { createHandler } from './create_handler';
 
 describe('Console Proxy Route', () => {
-  let request: any;
+  let request: (method: string, path: string) => Promise<IKibanaResponse> | IKibanaResponse;
   beforeEach(() => {
     (requestModule.proxyRequest as jest.Mock).mockResolvedValue(createResponseStub('foo'));
 
diff --git a/src/plugins/console/server/routes/api/console/proxy/stubs.ts b/src/plugins/console/server/routes/api/console/proxy/stubs.ts
index 4aa23f99ea30e..3474d0c9b33b8 100644
--- a/src/plugins/console/server/routes/api/console/proxy/stubs.ts
+++ b/src/plugins/console/server/routes/api/console/proxy/stubs.ts
@@ -9,8 +9,12 @@
 import { IncomingMessage } from 'http';
 import { Readable } from 'stream';
 
-export function createResponseStub(response: any) {
-  const resp: any = new Readable({
+export function createResponseStub(response?: string) {
+  const resp: Readable & {
+    statusCode?: number;
+    statusMessage?: string;
+    headers?: Record<string, unknown>;
+  } = new Readable({
     read() {
       if (response) {
         this.push(response);
diff --git a/src/plugins/console/server/services/spec_definitions_service.ts b/src/plugins/console/server/services/spec_definitions_service.ts
index 8b0f4c04ae0bd..e0af9422666af 100644
--- a/src/plugins/console/server/services/spec_definitions_service.ts
+++ b/src/plugins/console/server/services/spec_definitions_service.ts
@@ -15,6 +15,15 @@ import { jsSpecLoaders } from '../lib';
 
 const PATH_TO_OSS_JSON_SPEC = resolve(__dirname, '../lib/spec_definitions/json');
 
+interface EndpointDescription {
+  methods?: string[];
+  patterns?: string | string[];
+  url_params?: Record<string, unknown>;
+  data_autocomplete_rules?: Record<string, unknown>;
+  url_components?: Record<string, unknown>;
+  priority?: number;
+}
+
 export class SpecDefinitionsService {
   private readonly name = 'es';
 
@@ -24,16 +33,23 @@ export class SpecDefinitionsService {
 
   private hasLoadedSpec = false;
 
-  public addGlobalAutocompleteRules(parentNode: string, rules: any) {
+  public addGlobalAutocompleteRules(parentNode: string, rules: unknown) {
     this.globalRules[parentNode] = rules;
   }
 
-  public addEndpointDescription(endpoint: string, description: any = {}) {
-    let copiedDescription: any = {};
+  public addEndpointDescription(endpoint: string, description: EndpointDescription = {}) {
+    let copiedDescription: { patterns?: string; url_params?: Record<string, unknown> } = {};
     if (this.endpoints[endpoint]) {
       copiedDescription = { ...this.endpoints[endpoint] };
     }
-    let urlParamsDef: any;
+    let urlParamsDef:
+      | {
+          ignore_unavailable?: string;
+          allow_no_indices?: string;
+          expand_wildcards?: string[];
+        }
+      | undefined;
+
     _.each(description.patterns || [], function (p) {
       if (p.indexOf('{indices}') >= 0) {
         urlParamsDef = urlParamsDef || {};
@@ -70,7 +86,7 @@ export class SpecDefinitionsService {
     this.extensionSpecFilePaths.push(path);
   }
 
-  public addProcessorDefinition(processor: any) {
+  public addProcessorDefinition(processor: unknown) {
     if (!this.hasLoadedSpec) {
       throw new Error(
         'Cannot add a processor definition because spec definitions have not loaded!'
@@ -104,11 +120,13 @@ export class SpecDefinitionsService {
 
     return generatedFiles.reduce((acc, file) => {
       const overrideFile = overrideFiles.find((f) => basename(f) === basename(file));
-      const loadedSpec = JSON.parse(readFileSync(file, 'utf8'));
+      const loadedSpec: Record<string, EndpointDescription> = JSON.parse(
+        readFileSync(file, 'utf8')
+      );
       if (overrideFile) {
         merge(loadedSpec, JSON.parse(readFileSync(overrideFile, 'utf8')));
       }
-      const spec: any = {};
+      const spec: Record<string, EndpointDescription> = {};
       Object.entries(loadedSpec).forEach(([key, value]) => {
         if (acc[key]) {
           // add time to remove key collision
@@ -119,7 +137,7 @@ export class SpecDefinitionsService {
       });
 
       return { ...acc, ...spec };
-    }, {} as any);
+    }, {} as Record<string, EndpointDescription>);
   }
 
   private loadJsonSpec() {