diff --git a/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java b/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
index b5750a3063..4a5c2780d8 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
@@ -1077,7 +1077,7 @@ private static String getTypeOfSchema(Schema schema) {
         } else if (schema instanceof BinarySchema) {
             return SchemaTypeUtil.BINARY_FORMAT;
         } else if (schema instanceof FileSchema) {
-            return "file"; // FIXME: this type does not exist in the OpenAPI 3.0 specification
+            return SchemaTypeUtil.BINARY_FORMAT;
         } else if (schema instanceof BooleanSchema) {
             return SchemaTypeUtil.BOOLEAN_TYPE;
         } else if (schema instanceof DateSchema) {
diff --git a/src/main/java/io/swagger/codegen/v3/generators/html/HtmlSchemaHandler.java b/src/main/java/io/swagger/codegen/v3/generators/html/HtmlSchemaHandler.java
new file mode 100644
index 0000000000..8748a79208
--- /dev/null
+++ b/src/main/java/io/swagger/codegen/v3/generators/html/HtmlSchemaHandler.java
@@ -0,0 +1,135 @@
+package io.swagger.codegen.v3.generators.html;
+
+import io.swagger.codegen.v3.CodegenModel;
+import io.swagger.codegen.v3.CodegenModelFactory;
+import io.swagger.codegen.v3.CodegenModelType;
+import io.swagger.codegen.v3.CodegenProperty;
+import io.swagger.codegen.v3.generators.DefaultCodegenConfig;
+import io.swagger.codegen.v3.generators.SchemaHandler;
+import io.swagger.codegen.v3.generators.util.OpenAPIUtil;
+import io.swagger.v3.oas.models.media.ComposedSchema;
+import io.swagger.v3.oas.models.media.Schema;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HtmlSchemaHandler extends SchemaHandler {
+
+    public HtmlSchemaHandler(DefaultCodegenConfig codegenConfig) {
+        super(codegenConfig);
+    }
+
+
+    public void createCodegenModel(ComposedSchema composedProperty, CodegenProperty codegenProperty) {
+        final List<Schema> oneOf = composedProperty.getOneOf();
+        final List<Schema> anyOf = composedProperty.getAnyOf();
+
+        if (oneOf != null && !oneOf.isEmpty()) {
+            if (!hasNonObjectSchema(oneOf)) {
+                final CodegenModel oneOfModel = createFromOneOfSchemas(oneOf);
+                codegenProperty.vendorExtensions.put("oneOf-model", oneOfModel);
+            }
+        }
+        if (anyOf != null && !anyOf.isEmpty()) {
+            if (!hasNonObjectSchema(anyOf)) {
+                final CodegenModel anyOfModel = createFromOneOfSchemas(anyOf);
+                codegenProperty.vendorExtensions.put("anyOf-model", anyOfModel);
+            }
+        }
+
+    }
+
+    public void configureComposedModelFromSchemaItems(CodegenModel codegenModel, ComposedSchema items) {
+        List<Schema> oneOfList = items.getOneOf();
+        if (oneOfList != null && !oneOfList.isEmpty()){
+            String name = "OneOf" + codegenModel.name + "Items";
+            final CodegenModel oneOfModel = createComposedModel(name);
+            // setting name to be used as instance type on composed model.
+            items.addExtension("x-model-name", codegenConfig.toModelName(name));
+
+            final List<String> modelNames = new ArrayList<>();
+            for (Schema interfaceSchema : oneOfList) {
+                if (StringUtils.isNotBlank(interfaceSchema.get$ref())) {
+                    String schemaName = OpenAPIUtil.getSimpleRef(interfaceSchema.get$ref());
+                    modelNames.add(codegenConfig.toModelName(schemaName));
+                }
+            }
+            oneOfModel.vendorExtensions.put("x-model-names", modelNames);
+            if (!modelNames.isEmpty()) {
+                codegenModel.vendorExtensions.put("oneOf-model", oneOfModel);
+            }
+        }
+        List<Schema> anyOfList = items.getAnyOf();
+        if (anyOfList != null && !anyOfList.isEmpty()){
+            String name = "AnyOf" + codegenModel.name + "Items";
+            final CodegenModel anyOfModel = createComposedModel(name);
+            items.addExtension("x-model-name", codegenConfig.toModelName(name));
+
+            final List<String> modelNames = new ArrayList<>();
+            for (Schema interfaceSchema : anyOfList) {
+                if (StringUtils.isNotBlank(interfaceSchema.get$ref())) {
+                    String schemaName = OpenAPIUtil.getSimpleRef(interfaceSchema.get$ref());
+                    modelNames.add(codegenConfig.toModelName(schemaName));
+                }
+            }
+            anyOfModel.vendorExtensions.put("x-model-names", modelNames);
+            if (!modelNames.isEmpty()) {
+                codegenModel.vendorExtensions.put("anyOf-model", anyOfModel);
+            }
+        }
+    }
+
+    public void configureOneOfModel(CodegenModel codegenModel, List<Schema> oneOf) {
+        // no ops for html generator
+    }
+
+    public void configureAnyOfModel(CodegenModel codegenModel, List<Schema> anyOf) {
+        // no ops for html generator
+    }
+
+    public void configureOneOfModelFromProperty(CodegenProperty codegenProperty, CodegenModel codegenModel) {
+        // no ops for html generator
+    }
+
+    public void configureAnyOfModelFromProperty(CodegenProperty codegenProperty, CodegenModel codegenModel) {
+        // no ops for html generator
+    }
+
+    private CodegenModel createFromOneOfSchemas(List<Schema> schemas) {
+        final CodegenModel codegenModel = CodegenModelFactory.newInstance(CodegenModelType.MODEL);
+        final List<String> modelNames = new ArrayList<>();
+
+        for (Schema interfaceSchema : schemas) {
+            if (StringUtils.isNotBlank(interfaceSchema.get$ref())) {
+                String schemaName = OpenAPIUtil.getSimpleRef(interfaceSchema.get$ref());
+                modelNames.add(codegenConfig.toModelName(schemaName));
+            }
+        }
+        codegenModel.vendorExtensions.put("x-model-names", modelNames);
+        return codegenModel;
+    }
+
+    private CodegenModel createComposedModel(String name) {
+        final CodegenModel composedModel = CodegenModelFactory.newInstance(CodegenModelType.MODEL);
+        this.configureModel(composedModel, name);
+        return composedModel;
+    }
+
+    private void configureModel(CodegenModel codegenModel, String name) {
+        codegenModel.name = name;
+        codegenModel.classname = codegenConfig.toModelName(name);
+        codegenModel.classVarName = codegenConfig.toVarName(name);
+        codegenModel.classFilename = codegenConfig.toModelFilename(name);
+        codegenModel.vendorExtensions.put("x-is-composed-model", Boolean.TRUE);
+    }
+
+    private boolean hasNonObjectSchema(List<Schema> schemas) {
+        for  (Schema schema : schemas) {
+            if (!codegenConfig.isObjectSchema(schema)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/src/main/java/io/swagger/codegen/v3/generators/html/StaticHtmlCodegen.java b/src/main/java/io/swagger/codegen/v3/generators/html/StaticHtmlCodegen.java
index 2a50d45985..d6f8ee140b 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/html/StaticHtmlCodegen.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/html/StaticHtmlCodegen.java
@@ -32,6 +32,7 @@ public class StaticHtmlCodegen extends DefaultCodegenConfig {
 
     public StaticHtmlCodegen() {
         super();
+        schemaHandler = new HtmlSchemaHandler(this);
         outputFolder = "docs";
 
         defaultIncludes = new HashSet<String>();
@@ -155,7 +156,7 @@ public String escapeUnsafeCharacters(String input) {
 
     /**
      * Convert Markdown text to HTML
-     * 
+     *
      * @param input
      *            text in Markdown; may be null.
      * @return the text, converted to Markdown. For null input, "" is returned.
diff --git a/src/main/resources/handlebars/Java/api_doc.mustache b/src/main/resources/handlebars/Java/api_doc.mustache
index c60dc02efe..bb10129cbe 100644
--- a/src/main/resources/handlebars/Java/api_doc.mustache
+++ b/src/main/resources/handlebars/Java/api_doc.mustache
@@ -63,7 +63,7 @@ try {
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#is this 'primitive-type'}}**{{dataType}}**{{/is}}{{#isNot this 'primitive-type'}}{{#is this 'file'}}**{{dataType}}**{{/is}}{{#isNot this 'file'}}[**{{dataType}}**]({{baseType}}.md){{/isNot}}{{/isNot}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
+{{#parameters}} **{{paramName}}** | {{#is this 'primitive-type'}}**{{dataType}}**{{/is}}{{#isNot this 'primitive-type'}}{{#isBinary}}**{{dataType}}**{{/isBinary}}{{^isBinary}}[**{{dataType}}**]({{baseType}}.md){{/isBinary}}{{/isNot}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/Java/libraries/resttemplate/api.mustache b/src/main/resources/handlebars/Java/libraries/resttemplate/api.mustache
index 7e0a91627f..830bac6037 100644
--- a/src/main/resources/handlebars/Java/libraries/resttemplate/api.mustache
+++ b/src/main/resources/handlebars/Java/libraries/resttemplate/api.mustache
@@ -103,7 +103,7 @@ public class {{classname}} {
         {{#hasFormParams}}
         {{#formParams}}
         if ({{paramName}} != null)
-            {{localVariablePrefix}}formParams.add("{{baseName}}", {{#is this 'file'}}new FileSystemResource({{paramName}}){{/is}}{{#isNot this 'file'}}{{paramName}}{{/isNot}});
+            {{localVariablePrefix}}formParams.add("{{baseName}}", {{#is this 'binary'}}new FileSystemResource({{paramName}}){{/is}}{{#isNot this 'binary'}}{{paramName}}{{/isNot}});
         {{/formParams}}
         {{/hasFormParams}}
 
diff --git a/src/main/resources/handlebars/Java/libraries/retrofit/formParams.mustache b/src/main/resources/handlebars/Java/libraries/retrofit/formParams.mustache
index 0bc9ea5159..0bfdce65cd 100644
--- a/src/main/resources/handlebars/Java/libraries/retrofit/formParams.mustache
+++ b/src/main/resources/handlebars/Java/libraries/retrofit/formParams.mustache
@@ -1 +1 @@
-{{~#is this 'form-param'}}{{#isNot this 'file'}}{{#is ../this 'multipart'}}@retrofit.http.Part{{/is}}{{#isNot ../this 'multipart'}}@retrofit.http.Field{{/isNot}}("{{baseName}}") {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}{{#is ../this 'multipart'}}@retrofit.http.Part{{/is}}{{#isNot ../this 'multipart'}}@retrofit.http.Field{{/isNot}}("{{baseName}}") TypedFile {{paramName}}{{/is}}{{/is}}
\ No newline at end of file
+{{~#is this 'form-param'}}{{#isNot this 'binary'}}{{#is ../this 'multipart'}}@retrofit.http.Part{{/is}}{{#isNot ../this 'multipart'}}@retrofit.http.Field{{/isNot}}("{{baseName}}") {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}{{#is ../this 'multipart'}}@retrofit.http.Part{{/is}}{{#isNot ../this 'multipart'}}@retrofit.http.Field{{/isNot}}("{{baseName}}") TypedFile {{paramName}}{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/Java/libraries/retrofit2/formParams.mustache b/src/main/resources/handlebars/Java/libraries/retrofit2/formParams.mustache
index b141e939b2..0b58db0b40 100644
--- a/src/main/resources/handlebars/Java/libraries/retrofit2/formParams.mustache
+++ b/src/main/resources/handlebars/Java/libraries/retrofit2/formParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{#is this 'multipart'}}@retrofit2.http.Part{{/is}}{{#isNot this 'multipart'}}@retrofit2.http.Field{{/isNot}}("{{baseName}}") {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}{{#is this 'multipart'}}@retrofit2.http.Part{{/is}}{{#isNot this 'multipart'}}@retrofit2.http.Field{{/isNot}}{{#usePlayWS}} okhttp3.MultipartBody.Part {{/usePlayWS}}{{^usePlayWS}}("{{baseName}}\"; filename=\"{{baseName}}") RequestBody {{/usePlayWS}}{{paramName}}{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{#is this 'multipart'}}@retrofit2.http.Part{{/is}}{{#isNot this 'multipart'}}@retrofit2.http.Field{{/isNot}}("{{baseName}}") {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}{{#is this 'multipart'}}@retrofit2.http.Part{{/is}}{{#isNot this 'multipart'}}@retrofit2.http.Field{{/isNot}}{{#usePlayWS}} okhttp3.MultipartBody.Part {{/usePlayWS}}{{^usePlayWS}}("{{baseName}}\"; filename=\"{{baseName}}") RequestBody {{/usePlayWS}}{{paramName}}{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaInflector/formParams.mustache b/src/main/resources/handlebars/JavaInflector/formParams.mustache
index ae90ae4c74..2b68f2fc24 100644
--- a/src/main/resources/handlebars/JavaInflector/formParams.mustache
+++ b/src/main/resources/handlebars/JavaInflector/formParams.mustache
@@ -1 +1 @@
- {{#is this 'form-param'}}{{#notFile}}{{{dataType}}} {{paramName}}{{/notFile}}{{#is this 'file'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
+ {{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/api.mustache b/src/main/resources/handlebars/JavaJaxRS/api.mustache
index 66548c9082..8a4a56312d 100644
--- a/src/main/resources/handlebars/JavaJaxRS/api.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/api.mustache
@@ -106,7 +106,7 @@ public class {{classname}}  {
     {{/useOas2}}
     public Response {{nickname}}({{#parameters}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}}{{>cookieParams}},{{/parameters}}@Context SecurityContext securityContext)
     throws NotFoundException {
-        return delegate.{{nickname}}({{#parameters}}{{#isFile}}{{paramName}}InputStream, {{paramName}}Detail{{/isFile}}{{^isFile}}{{paramName}}{{/isFile}},{{/parameters}}securityContext);
+        return delegate.{{nickname}}({{#parameters}}{{#isBinary}}{{paramName}}InputStream, {{paramName}}Detail{{/isBinary}}{{^isBinary}}{{paramName}}{{/isBinary}},{{/parameters}}securityContext);
     }
 {{/contents}}
 {{/operation}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/api.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/api.mustache
index 1fa6183916..ab7a73c029 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/api.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/api.mustache
@@ -79,7 +79,7 @@ public class {{classname}}  {
         @ApiResponse(responseCode = "{{{code}}}", description = "{{{message}}}"{{^vendorExtensions.x-java-is-response-void}}, content = @Content({{^containerType}}schema = @Schema(implementation = {{{baseType}}}.class)){{/containerType}}{{#containerType}}array = @ArraySchema(schema = @Schema(implementation = {{{baseType}}}.class))){{/containerType}}{{/vendorExtensions.x-java-is-response-void}}){{#hasMore}},{{/hasMore}}{{/responses}} })
     {{/useOas2}}
     public Response {{nickname}}({{#parameters}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}}{{#hasMore}}, {{/hasMore}}{{/parameters}}) {
-        return delegate.{{nickname}}({{#parameters}}{{#isFile}}{{paramName}}InputStream, {{paramName}}Detail{{/isFile}}{{^isFile}}{{paramName}}{{/isFile}}, {{/parameters}}securityContext);
+        return delegate.{{nickname}}({{#parameters}}{{#isBinary}}{{paramName}}InputStream, {{paramName}}Detail{{/isBinary}}{{^isBinary}}{{paramName}}{{/isBinary}}, {{/parameters}}securityContext);
     }
 {{/contents}}
 {{/operation}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/formParams.mustache
index 362ebd9bb3..44953d477e 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/formParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}@Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}})  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}} @Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}}) InputStream {{paramName}}InputStream, @Multipart(value = "{{baseName}}" {{^required}}, required = false{{/required}}) Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}@Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}})  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}} @Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}}) InputStream {{paramName}}InputStream, @Multipart(value = "{{baseName}}" {{^required}}, required = false{{/required}}) Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/serviceFormParams.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/serviceFormParams.mustache
index d5294a8b96..4bf0ae7c29 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/serviceFormParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf-cdi/serviceFormParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}InputStream {{paramName}}InputStream, Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}InputStream {{paramName}}InputStream, Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf/api_test.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf/api_test.mustache
index 5194af8457..e265b96996 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf/api_test.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf/api_test.mustache
@@ -113,7 +113,7 @@ public class {{classname}}Test {
     @Test
     public void {{operationId}}Test() {
         {{#parameters}}
-        {{^isFile}}{{{dataType}}} {{paramName}} = null;{{/isFile}}{{#isFile}}org.apache.cxf.jaxrs.ext.multipart.Attachment {{paramName}} = null;{{/isFile}}
+        {{^isBinary}}{{{dataType}}} {{paramName}} = null;{{/isBinary}}{{#isBinary}}org.apache.cxf.jaxrs.ext.multipart.Attachment {{paramName}} = null;{{/isBinary}}
         {{/parameters}}
         //{{^vendorExtensions.x-java-is-response-void}}{{>returnTypes}} response = {{/vendorExtensions.x-java-is-response-void}}api.{{operationId}}({{#parameters}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/parameters}});
         {{^vendorExtensions.x-java-is-response-void}}//assertNotNull(response);{{/vendorExtensions.x-java-is-response-void}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf/formParams.mustache
index 3a58a53af4..c3039d77ba 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf/formParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}@Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}})  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}} @Multipart(value = "{{baseName}}" {{^required}}, required = false{{/required}}) Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}@Multipart(value = "{{baseName}}"{{^required}}, required = false{{/required}})  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}} @Multipart(value = "{{baseName}}" {{^required}}, required = false{{/required}}) Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/cxf/formParamsImpl.mustache b/src/main/resources/handlebars/JavaJaxRS/cxf/formParamsImpl.mustache
index 2c42609fc8..1d683f5b40 100644
--- a/src/main/resources/handlebars/JavaJaxRS/cxf/formParamsImpl.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/cxf/formParamsImpl.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}} Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}} Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/di/api.mustache b/src/main/resources/handlebars/JavaJaxRS/di/api.mustache
index 6ac2b09fbf..bc714ba145 100644
--- a/src/main/resources/handlebars/JavaJaxRS/di/api.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/di/api.mustache
@@ -88,7 +88,7 @@ public class {{classname}}  {
     {{/useOas2}}
     public Response {{nickname}}({{#parameters}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}},{{/parameters}}@Context SecurityContext securityContext)
     throws NotFoundException {
-        return delegate.{{nickname}}({{#parameters}}{{#isFile}}{{paramName}}InputStream, {{paramName}}Detail{{/isFile}}{{^isFile}}{{paramName}}{{/isFile}},{{/parameters}}securityContext);
+        return delegate.{{nickname}}({{#parameters}}{{#isBinary}}{{paramName}}InputStream, {{paramName}}Detail{{/isBinary}}{{^isBinary}}{{paramName}}{{/isBinary}},{{/parameters}}securityContext);
     }
 {{/contents}}
 {{/operation}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/formParams.mustache
index 0080b9b373..3843716cde 100644
--- a/src/main/resources/handlebars/JavaJaxRS/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/formParams.mustache
@@ -1,2 +1,2 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{#vendorExtensions.x-multipart}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{^vendorExtensions.x-multipart}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{#vendorExtensions.x-multipart}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{^vendorExtensions.x-multipart}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{/useOas2}}{{/isNot}}{{#is this 'file'}}@FormDataParam("{{baseName}}") InputStream {{paramName}}InputStream,
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{#vendorExtensions.x-multipart}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{^vendorExtensions.x-multipart}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{#vendorExtensions.x-multipart}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{^vendorExtensions.x-multipart}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/vendorExtensions.x-multipart}}{{/useOas2}}{{/isNot}}{{#is this 'binary'}}@FormDataParam("{{baseName}}") InputStream {{paramName}}InputStream,
             @FormDataParam("{{baseName}}") FormDataContentDisposition {{paramName}}Detail{{/is}}{{/is}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/api.mustache b/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/api.mustache
index 912b7a4ecb..31a4f8e894 100644
--- a/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/api.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/api.mustache
@@ -58,7 +58,7 @@ public class {{classname}}  {
         {{#parameters}}{{>queryParams}}{{>pathParams}}{{>headerParams}}{{>bodyParams}}{{>formParams}},
         {{/parameters}}@Context SecurityContext securityContext)
     throws NotFoundException {
-        return delegate.{{nickname}}({{#parameters}}{{#isFile}} {{paramName}}InputStream, {{paramName}}Detail{{/isFile}}{{^isFile}}{{paramName}}{{/isFile}},{{/parameters}}securityContext);
+        return delegate.{{nickname}}({{#parameters}}{{#isBinary}} {{paramName}}InputStream, {{paramName}}Detail{{/isBinary}}{{^isBinary}}{{paramName}}{{/isBinary}},{{/parameters}}securityContext);
     }
 {{/contents}}
 {{/operation}}
diff --git a/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/formParams.mustache
index 9d505ebea4..d9b7151f76 100644
--- a/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/libraries/jersey1/formParams.mustache
@@ -1,2 +1,2 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{#isNot this 'multipart'}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{/isNot}}{{#is this 'multipart'}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/is}}{{#isNot this 'multipart'}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/isNot}}{{/isNot}}{{#is this 'file'}}@FormDataParam("{{baseName}}") InputStream inputStream,
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{#isNot this 'multipart'}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}){{/isNot}}{{#is this 'multipart'}}@FormDataParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/is}}{{#isNot this 'multipart'}} {{#defaultValue}} @DefaultValue("{{{defaultValue}}}"){{/defaultValue}} @FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/isNot}}{{/isNot}}{{#is this 'binary'}}@FormDataParam("{{baseName}}") InputStream inputStream,
     @FormDataParam("{{baseName}}") FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/formParams.mustache
index 8039a30433..bca3affc3d 100644
--- a/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/formParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{/isNot}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{/isNot}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/serviceFormParams.mustache b/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/serviceFormParams.mustache
index 5bc6d7c5d4..72fe3e7ebe 100644
--- a/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/serviceFormParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/resteasy/eap/serviceFormParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/resteasy/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/resteasy/formParams.mustache
index 8039a30433..bca3affc3d 100644
--- a/src/main/resources/handlebars/JavaJaxRS/resteasy/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/resteasy/formParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{/isNot}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{#useOas2}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{^useOas2}}@Parameter(description = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, {{> allowableValues }}{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}})@FormParam("{{baseName}}")  {{{dataType}}} {{paramName}}{{/useOas2}}{{/isNot}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/resteasy/serviceFormParams.mustache b/src/main/resources/handlebars/JavaJaxRS/resteasy/serviceFormParams.mustache
index 5bc6d7c5d4..72fe3e7ebe 100644
--- a/src/main/resources/handlebars/JavaJaxRS/resteasy/serviceFormParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/resteasy/serviceFormParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}FormDataContentDisposition fileDetail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/serviceFormParams.mustache b/src/main/resources/handlebars/JavaJaxRS/serviceFormParams.mustache
index a88f3c0a18..06e6c0d0fd 100644
--- a/src/main/resources/handlebars/JavaJaxRS/serviceFormParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/serviceFormParams.mustache
@@ -1 +1 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}}InputStream {{paramName}}InputStream, FormDataContentDisposition {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
+{{#is this 'form-param'}}{{#isNot this 'binary'}}{{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}}InputStream {{paramName}}InputStream, FormDataContentDisposition {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaJaxRS/spec/formParams.mustache b/src/main/resources/handlebars/JavaJaxRS/spec/formParams.mustache
index b29f25b3ed..aeb477b05f 100644
--- a/src/main/resources/handlebars/JavaJaxRS/spec/formParams.mustache
+++ b/src/main/resources/handlebars/JavaJaxRS/spec/formParams.mustache
@@ -1,2 +1,2 @@
-{{#is this 'form-param'}}{{#isNot this 'file'}}@FormParam(value = "{{baseName}}")  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'file'}} @FormParam(value = "{{baseName}}") InputStream {{paramName}}InputStream,
+{{#is this 'form-param'}}{{#isNot this 'binary'}}@FormParam(value = "{{baseName}}")  {{{dataType}}} {{paramName}}{{/isNot}}{{#is this 'binary'}} @FormParam(value = "{{baseName}}") InputStream {{paramName}}InputStream,
    @FormParam(value = "{{baseName}}") Attachment {{paramName}}Detail{{/is}}{{/is}}
\ No newline at end of file
diff --git a/src/main/resources/handlebars/JavaSpring/api.mustache b/src/main/resources/handlebars/JavaSpring/api.mustache
index dc03180054..4c626c1508 100644
--- a/src/main/resources/handlebars/JavaSpring/api.mustache
+++ b/src/main/resources/handlebars/JavaSpring/api.mustache
@@ -108,7 +108,7 @@ public interface {{classname}} {
     }
 
     // Override this method
-    default {{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#parameters}}{{^isFile}}{{{dataType}}}{{/isFile}}{{#isFile}}MultipartFile{{/isFile}} {{paramName}}{{#hasMore}},{{/hasMore}}{{/parameters}}) {
+    default {{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#parameters}}{{^isBinary}}{{{dataType}}}{{/isBinary}}{{#isBinary}}MultipartFile{{/isBinary}} {{paramName}}{{#hasMore}},{{/hasMore}}{{/parameters}}) {
         {{/delegate-method}}
         {{^isDelegate}}
         if(getObjectMapper().isPresent() && getAcceptHeader().isPresent()) {
diff --git a/src/main/resources/handlebars/JavaSpring/apiDelegate.mustache b/src/main/resources/handlebars/JavaSpring/apiDelegate.mustache
index ee740a321c..de0a9d809b 100644
--- a/src/main/resources/handlebars/JavaSpring/apiDelegate.mustache
+++ b/src/main/resources/handlebars/JavaSpring/apiDelegate.mustache
@@ -63,7 +63,7 @@ public interface {{classname}}Delegate {
     /**
      * @see {{classname}}#{{operationId}}
      */
-    {{#defaultInterfaces}}default {{/defaultInterfaces}}{{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#parameters}}{{^isFile}} {{>optionalDataType}} {{/isFile}}{{#isFile}}MultipartFile{{/isFile}} {{paramName}}{{#hasMore}},
+    {{#defaultInterfaces}}default {{/defaultInterfaces}}{{#responseWrapper}}{{.}}<{{/responseWrapper}}ResponseEntity<{{>returnTypes}}>{{#responseWrapper}}>{{/responseWrapper}} {{operationId}}({{#parameters}}{{^isBinary}} {{>optionalDataType}} {{/isBinary}}{{#isBinary}}MultipartFile{{/isBinary}} {{paramName}}{{#hasMore}},
         {{/hasMore}}{{/parameters}}){{^defaultInterfaces}};{{/defaultInterfaces}}{{#defaultInterfaces}} {
         if(getObjectMapper().isPresent() && getAcceptHeader().isPresent()) {
         {{#examples}}
diff --git a/src/main/resources/handlebars/JavaSpring/formParams.mustache b/src/main/resources/handlebars/JavaSpring/formParams.mustache
index f9c3e502b8..b91da48cfe 100644
--- a/src/main/resources/handlebars/JavaSpring/formParams.mustache
+++ b/src/main/resources/handlebars/JavaSpring/formParams.mustache
@@ -1 +1 @@
-{{#isFormParam}}{{#notFile}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, allowableValues="{{#values}}{{{.}}}{{^@last}}, {{/@last}}{{#@last}}{{/@last}}{{/values}}"{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}) @RequestParam(value="{{baseName}}"{{#required}}, required=true{{/required}}{{^required}}, required=false{{/required}})  {{{dataType}}} {{paramName}}{{/notFile}}{{#isFile}}@ApiParam(value = "file detail") {{#useBeanValidation}}@Valid{{/useBeanValidation}} @RequestPart("file") MultipartFile {{baseName}}{{/isFile}}{{/isFormParam}}
\ No newline at end of file
+{{#isFormParam}}{{^isBinary}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}}{{#allowableValues}}, allowableValues="{{#values}}{{{.}}}{{^@last}}, {{/@last}}{{#@last}}{{/@last}}{{/values}}"{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}) @RequestParam(value="{{baseName}}"{{#required}}, required=true{{/required}}{{^required}}, required=false{{/required}})  {{{dataType}}} {{paramName}}{{/isBinary}}{{#isBinary}}@ApiParam(value = "file detail") {{#useBeanValidation}}@Valid{{/useBeanValidation}} @RequestPart("file") MultipartFile {{baseName}}{{/isBinary}}{{/isFormParam}}
diff --git a/src/main/resources/handlebars/JavaSpring/libraries/spring-boot/api_test.mustache b/src/main/resources/handlebars/JavaSpring/libraries/spring-boot/api_test.mustache
index 6558eb235c..7dcdf57563 100644
--- a/src/main/resources/handlebars/JavaSpring/libraries/spring-boot/api_test.mustache
+++ b/src/main/resources/handlebars/JavaSpring/libraries/spring-boot/api_test.mustache
@@ -28,12 +28,12 @@ public class {{classname}}ControllerIntegrationTest {
     @Test
     public void {{operationId}}Test() throws Exception {
         {{#parameters}}
-        {{^isFile}}
+        {{^isBinary}}
         {{{dataType}}} {{paramName}} = {{{example}}};
-        {{/isFile}}
-        {{#isFile}}
+        {{/isBinary}}
+        {{#isBinary}}
         org.springframework.web.multipart.MultipartFile {{paramName}} = null;
-        {{/isFile}}
+        {{/isBinary}}
         {{/parameters}}
         ResponseEntity<{{>returnTypes}}> responseEntity = api.{{operationId}}({{#parameters}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/parameters}});
         assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
diff --git a/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/api_test.mustache b/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/api_test.mustache
index 0723a652b4..b9cf5a2773 100644
--- a/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/api_test.mustache
+++ b/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/api_test.mustache
@@ -29,12 +29,12 @@ private {{classname}} api;
     @Test
     public void {{operationId}}Test() throws Exception {
     {{#parameters}}
-    {{^isFile}}
+    {{^isBinary}}
         {{{dataType}}} {{paramName}} = {{{example}}};
-    {{/isFile}}
-    {{#isFile}}
+    {{/isBinary}}
+    {{#isBinary}}
         org.springframework.web.multipart.MultipartFile {{paramName}} = null;
-    {{/isFile}}
+    {{/isBinary}}
     {{/parameters}}
         api.{{operationId}}({{#parameters}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/parameters}});
         // todo: add verifications
diff --git a/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/formParams.mustache b/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/formParams.mustache
index bd2cb8bb64..4fc0ac6d4f 100644
--- a/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/formParams.mustache
+++ b/src/main/resources/handlebars/JavaSpring/libraries/spring-cloud/formParams.mustache
@@ -1 +1 @@
-{{#isFormParam}}{{#notFile}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}} {{#allowableValues}}, allowableValues="{{{allowableValues}}}"{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}) @RequestParam(value="{{baseName}}"{{#required}}, required=true{{/required}}{{^required}}, required=false{{/required}})  {{{dataType}}} {{paramName}}{{/notFile}}{{#isFile}}@ApiParam(value = "file detail") @RequestParam("{{baseName}}") MultipartFile {{paramName}}{{/isFile}}{{/isFormParam}}
\ No newline at end of file
+{{#isFormParam}}{{^isBinary}}@ApiParam(value = "{{{description}}}"{{#required}}, required=true{{/required}} {{#allowableValues}}, allowableValues="{{{allowableValues}}}"{{/allowableValues}}{{#defaultValue}}, defaultValue="{{{defaultValue}}}"{{/defaultValue}}) @RequestParam(value="{{baseName}}"{{#required}}, required=true{{/required}}{{^required}}, required=false{{/required}})  {{{dataType}}} {{paramName}}{{/isBinary}}{{#isBinary}}@ApiParam(value = "file detail") @RequestParam("{{baseName}}") MultipartFile {{paramName}}{{/isBinary}}{{/isFormParam}}
diff --git a/src/main/resources/handlebars/csharp-dotnet2/api.mustache b/src/main/resources/handlebars/csharp-dotnet2/api.mustache
index ff0445d6d9..ea612d5c67 100644
--- a/src/main/resources/handlebars/csharp-dotnet2/api.mustache
+++ b/src/main/resources/handlebars/csharp-dotnet2/api.mustache
@@ -107,7 +107,7 @@ namespace {{apiPackage}}
             {{/queryParams}}
             {{#headerParams}} if ({{paramName}} != null) headerParams.Add("{{baseName}}", ApiClient.ParameterToString({{paramName}})); // header parameter
             {{/headerParams}}
-            {{#formParams}}if ({{paramName}} != null) {{#isFile}}fileParams.Add("{{baseName}}", ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isFile}}{{^isFile}}formParams.Add("{{baseName}}", ApiClient.ParameterToString({{paramName}})); // form parameter{{/isFile}}
+            {{#formParams}}if ({{paramName}} != null) {{#isBinary}}fileParams.Add("{{baseName}}", ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isBinary}}{{^isBinary}}formParams.Add("{{baseName}}", ApiClient.ParameterToString({{paramName}})); // form parameter{{/isBinary}}
             {{/formParams}}
             {{#bodyParam}}postBody = ApiClient.Serialize({{paramName}}); // http body (model) parameter
             {{/bodyParam}}
diff --git a/src/main/resources/handlebars/csharp-dotnet2/api_doc.mustache b/src/main/resources/handlebars/csharp-dotnet2/api_doc.mustache
index 3e51f10b5c..c8625885ba 100644
--- a/src/main/resources/handlebars/csharp-dotnet2/api_doc.mustache
+++ b/src/main/resources/handlebars/csharp-dotnet2/api_doc.mustache
@@ -77,7 +77,7 @@ namespace Example
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isFile}}**{{{dataType}}}**{{/isFile}}{{#isPrimitiveType}}**{{{dataType}}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isFile}}[**{{{dataType}}}**]({{baseType}}.md){{/isFile}}{{/isPrimitiveType}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
+{{#parameters}} **{{paramName}}** | {{#isBinary}}**{{{dataType}}}**{{/isBinary}}{{#isPrimitiveType}}**{{{dataType}}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isBinary}}[**{{{dataType}}}**]({{baseType}}.md){{/isBinary}}{{/isPrimitiveType}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/csharp/api.mustache b/src/main/resources/handlebars/csharp/api.mustache
index e720fcd5d6..123180a529 100644
--- a/src/main/resources/handlebars/csharp/api.mustache
+++ b/src/main/resources/handlebars/csharp/api.mustache
@@ -254,7 +254,7 @@ namespace {{packageName}}.{{apiPackage}}
             {{/headerParams}}
             {{#isForm}}
             {{#formParams}}
-            if ({{paramName}} != null) {{#isFile}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isFile}}{{^isFile}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // form parameter{{/isFile}}
+            if ({{paramName}} != null) {{#isBinary}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isBinary}}{{^isBinary}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // form parameter{{/isBinary}}
             {{/formParams}}
             {{/isForm}}
             {{^isForm}}
@@ -400,7 +400,7 @@ namespace {{packageName}}.{{apiPackage}}
             {{/headerParams}}
             {{#isForm}}
             {{#formParams}}
-            if ({{paramName}} != null) {{#isFile}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isFile}}{{^isFile}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // form parameter{{/isFile}}
+            if ({{paramName}} != null) {{#isBinary}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isBinary}}{{^isBinary}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // form parameter{{/isBinary}}
             {{/formParams}}
             {{/isForm}}
             {{^isForm}}
diff --git a/src/main/resources/handlebars/csharp/api_doc.mustache b/src/main/resources/handlebars/csharp/api_doc.mustache
index 4fe2a2c4b9..4ed1ca0fdb 100644
--- a/src/main/resources/handlebars/csharp/api_doc.mustache
+++ b/src/main/resources/handlebars/csharp/api_doc.mustache
@@ -85,7 +85,7 @@ namespace Example
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isFile}}**{{dataType}}**{{/isFile}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isFile}}[**{{dataType}}**]({{#isContainer}}{{baseType}}{{/isContainer}}{{^isContainer}}{{dataType}}{{/isContainer}}.md){{/isFile}}{{/isPrimitiveType}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
+{{#parameters}} **{{paramName}}** | {{#isBinary}}**{{dataType}}**{{/isBinary}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isBinary}}[**{{dataType}}**]({{#isContainer}}{{baseType}}{{/isContainer}}{{^isContainer}}{{dataType}}{{/isContainer}}.md){{/isBinary}}{{/isPrimitiveType}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/htmlDocs/index.mustache b/src/main/resources/handlebars/htmlDocs/index.mustache
index 3130275287..59b27c891a 100644
--- a/src/main/resources/handlebars/htmlDocs/index.mustache
+++ b/src/main/resources/handlebars/htmlDocs/index.mustache
@@ -174,6 +174,36 @@
       {{#example}}
           <div class="param-desc"><span class="param-type">example: {{example}}</span></div>
       {{/example}}
+      {{#vendorExtensions.oneOf-model}}
+      <div class="param-desc"><span class="param-type">oneOf:</span>
+          {{#vendorExtensions.x-model-names}}
+              <a href="#{{this}}"><code>{{this}}</code></a>&nbsp;&nbsp;&nbsp;
+          {{/vendorExtensions.x-model-names}}
+      </div>
+      {{/vendorExtensions.oneOf-model}}
+      {{#vendorExtensions.anyOf-model}}
+      <div class="param-desc"><span class="param-type">anyOf:</span>
+          {{#vendorExtensions.x-model-names}}
+              <a href="#{{this}}"><code>{{this}}</code></a>&nbsp;&nbsp;&nbsp;
+          {{/vendorExtensions.x-model-names}}
+      </div>
+      {{/vendorExtensions.anyOf-model}}
+      {{#items}}
+          {{#vendorExtensions.oneOf-model}}
+              <div class="param-desc"><span class="param-type">items oneOf:</span>
+              {{#vendorExtensions.x-model-names}}
+                  <a href="#{{this}}"><code>{{this}}</code></a>&nbsp;&nbsp;&nbsp;
+              {{/vendorExtensions.x-model-names}}
+              </div>
+          {{/vendorExtensions.oneOf-model}}
+          {{#vendorExtensions.anyOf-model}}
+              <div class="param-desc"><span class="param-type">items anyOf:</span>
+              {{#vendorExtensions.x-model-names}}
+                  <a href="#{{this}}"><code>{{this}}</code></a>&nbsp;&nbsp;&nbsp;
+              {{/vendorExtensions.x-model-names}}
+              </div>
+          {{/vendorExtensions.anyOf-model}}
+      {{/items}}
       {{/vars}}
     </div>  <!-- field-items -->
   </div>
diff --git a/src/main/resources/handlebars/kotlin-client/api_doc.mustache b/src/main/resources/handlebars/kotlin-client/api_doc.mustache
index b390671f68..0ade39e394 100644
--- a/src/main/resources/handlebars/kotlin-client/api_doc.mustache
+++ b/src/main/resources/handlebars/kotlin-client/api_doc.mustache
@@ -46,7 +46,7 @@ try {
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{#isFile}}**{{dataType}}**{{/isFile}}{{^isFile}}{{#generateModelDocs}}[**{{dataType}}**]({{baseType}}.md){{/generateModelDocs}}{{^generateModelDocs}}**{{dataType}}**{{/generateModelDocs}}{{/isFile}}{{/isPrimitiveType}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
+{{#parameters}} **{{paramName}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{#isBinary}}**{{dataType}}**{{/isBinary}}{{^isBinary}}{{#generateModelDocs}}[**{{dataType}}**]({{baseType}}.md){{/generateModelDocs}}{{^generateModelDocs}}**{{dataType}}**{{/generateModelDocs}}{{/isBinary}}{{/isPrimitiveType}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/kotlin-server/api_doc.mustache b/src/main/resources/handlebars/kotlin-server/api_doc.mustache
index eb212243df..0ade39e394 100644
--- a/src/main/resources/handlebars/kotlin-server/api_doc.mustache
+++ b/src/main/resources/handlebars/kotlin-server/api_doc.mustache
@@ -46,7 +46,7 @@ try {
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isPrimitiveType}}}**{{dataType}}**{{/is}}}{{^isPrimitiveType}}{{#isFile}}**{{dataType}}**{{/isFile}}{{^isFile}}{{#generateModelDocs}}[**{{dataType}}**]({{baseType}}.md){{/generateModelDocs}}{{^generateModelDocs}}**{{dataType}}**{{/generateModelDocs}}{{/isFile}}{{/isPrimitiveType}}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
+{{#parameters}} **{{paramName}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{#isBinary}}**{{dataType}}**{{/isBinary}}{{^isBinary}}{{#generateModelDocs}}[**{{dataType}}**]({{baseType}}.md){{/generateModelDocs}}{{^generateModelDocs}}**{{dataType}}**{{/generateModelDocs}}{{/isBinary}}{{/isPrimitiveType}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}{{#allowableValues}} [enum: {{#values}}{{{.}}}{{^@last}}, {{/@last}}{{/values}}]{{/allowableValues}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/nodejs/index.mustache b/src/main/resources/handlebars/nodejs/index.mustache
index ad02896cf1..491f5e3091 100644
--- a/src/main/resources/handlebars/nodejs/index.mustache
+++ b/src/main/resources/handlebars/nodejs/index.mustache
@@ -1,44 +1,23 @@
 'use strict';
 
-var fs = require('fs'),
-    path = require('path'),
-    http = require('http');
+var path = require('path');
+var http = require('http');
 
-var app = require('connect')();
 var oas3Tools = require('oas3-tools');
-var jsyaml = require('js-yaml');
 var serverPort = {{serverPort}};
 
 // swaggerRouter configuration
 var options = {
-  swaggerUi: path.join(__dirname, '/swagger.json'),
-  controllers: path.join(__dirname, './controllers'),
-  useStubs: process.env.NODE_ENV === 'development' // Conditionally turn on stubs (mock mode)
+    controllers: path.join(__dirname, './controllers')
 };
 
-// The Swagger document (require it, build it programmatically, fetch it from a URL, ...)
-var spec = fs.readFileSync(path.join(__dirname,'api/swagger.yaml'), 'utf8');
-var swaggerDoc = jsyaml.safeLoad(spec);
+var expressAppConfig = oas3Tools.expressAppConfig(path.join(__dirname, 'api/openapi.yaml'), options);
+expressAppConfig.addValidator();
+var app = expressAppConfig.getApp();
 
 // Initialize the Swagger middleware
-oas3Tools.initializeMiddleware(swaggerDoc, function (middleware) {
-
-  // Interpret Swagger resources and attach metadata to request - must be first in swagger-tools middleware chain
-  app.use(middleware.swaggerMetadata());
-
-  // Validate Swagger requests
-  app.use(middleware.swaggerValidator());
-
-  // Route validated requests to appropriate controller
-  app.use(middleware.swaggerRouter(options));
-
-  // Serve the Swagger documents and Swagger UI
-  app.use(middleware.swaggerUi());
-
-  // Start the server
-  http.createServer(app).listen(serverPort, function () {
+http.createServer(app).listen(serverPort, function () {
     console.log('Your server is listening on port %d (http://localhost:%d)', serverPort, serverPort);
     console.log('Swagger-ui is available on http://localhost:%d/docs', serverPort);
-  });
-
 });
+
diff --git a/src/main/resources/handlebars/nodejs/package.mustache b/src/main/resources/handlebars/nodejs/package.mustache
index a80da8e03e..aac452a8ea 100644
--- a/src/main/resources/handlebars/nodejs/package.mustache
+++ b/src/main/resources/handlebars/nodejs/package.mustache
@@ -19,6 +19,6 @@
     "connect": "^3.2.0",
   {{/googleCloudFunctions}}
     "js-yaml": "^3.3.0",
-    "oas3-tools": "^1.0.1"
+    "oas3-tools": "^2.0.0"
   }
 }
diff --git a/src/main/resources/handlebars/php/api.mustache b/src/main/resources/handlebars/php/api.mustache
index b8939064c3..c2fcad4d5f 100644
--- a/src/main/resources/handlebars/php/api.mustache
+++ b/src/main/resources/handlebars/php/api.mustache
@@ -395,13 +395,13 @@ use {{invokerPackage}}\ObjectSerializer;
         {{#formParams}}
         // form params
         if (${{paramName}} !== null) {
-            {{#isFile}}
+            {{#isBinary}}
             $multipart = true;
             $formParams['{{baseName}}'] = \GuzzleHttp\Psr7\try_fopen(ObjectSerializer::toFormValue(${{paramName}}), 'rb');
-            {{/isFile}}
-            {{^isFile}}
+            {{/isBinary}}
+            {{^isBinary}}
             $formParams['{{baseName}}'] = ObjectSerializer::toFormValue(${{paramName}});
-            {{/isFile}}
+            {{/isBinary}}
         }
         {{/formParams}}
         // body params
diff --git a/src/main/resources/handlebars/php/api_doc.mustache b/src/main/resources/handlebars/php/api_doc.mustache
index 390537b72c..82b09a7432 100644
--- a/src/main/resources/handlebars/php/api_doc.mustache
+++ b/src/main/resources/handlebars/php/api_doc.mustache
@@ -62,7 +62,7 @@ try {
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isFile}}**{{dataType}}**{{/isFile}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isFile}}[**{{dataType}}**](../Model/{{baseType}}.md){{/isFile}}{{/isPrimitiveType}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}
+{{#parameters}} **{{paramName}}** | {{#isBinary}}**{{dataType}}**{{/isBinary}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}{{^isBinary}}[**{{dataType}}**](../Model/{{baseType}}.md){{/isBinary}}{{/isPrimitiveType}}| {{description}} |{{^required}} [optional]{{/required}}{{#defaultValue}} [default to {{defaultValue}}]{{/defaultValue}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/python/api.mustache b/src/main/resources/handlebars/python/api.mustache
index e0ec79a8f2..72c617ad34 100644
--- a/src/main/resources/handlebars/python/api.mustache
+++ b/src/main/resources/handlebars/python/api.mustache
@@ -172,7 +172,7 @@ class {{classname}}(object):
         local_var_files = {}
 {{#formParams}}
         if '{{paramName}}' in params:
-            {{#notFile}}form_params.append(('{{baseName}}', params['{{paramName}}'])){{/notFile}}{{#isFile}}local_var_files['{{baseName}}'] = params['{{paramName}}']{{/isFile}}{{#isListContainer}}  # noqa: E501
+            {{#notBinary}}form_params.append(('{{baseName}}', params['{{paramName}}'])){{/notBinary}}{{#isBinary}}local_var_files['{{baseName}}'] = params['{{paramName}}']{{/isBinary}}{{#isListContainer}}  # noqa: E501
             collection_formats['{{baseName}}'] = '{{collectionFormat}}'{{/isListContainer}}  # noqa: E501
 {{/formParams}}
 
diff --git a/src/main/resources/handlebars/python/api_doc.mustache b/src/main/resources/handlebars/python/api_doc.mustache
index 1382f59f12..240a0c3bf4 100644
--- a/src/main/resources/handlebars/python/api_doc.mustache
+++ b/src/main/resources/handlebars/python/api_doc.mustache
@@ -65,7 +65,7 @@ except ApiException as e:
 {{^parameters}}This endpoint does not need any parameter.{{/parameters}}{{#parameters}}{{#@last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/@last}}{{/parameters}}
-{{#parameters}} **{{paramName}}** | {{#isFile}}**{{dataType}}**{{/isFile}}{{^isFile}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{baseType}}.md){{/isPrimitiveType}}{{/isFile}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
+{{#parameters}} **{{paramName}}** | {{#isBinary}}**{{dataType}}**{{/isBinary}}{{^isBinary}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{baseType}}.md){{/isPrimitiveType}}{{/isBinary}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
 {{/parameters}}
 
 ### Return type
diff --git a/src/main/resources/handlebars/typescript-angular/api.service.mustache b/src/main/resources/handlebars/typescript-angular/api.service.mustache
index e25822b31f..71cc3d46d0 100644
--- a/src/main/resources/handlebars/typescript-angular/api.service.mustache
+++ b/src/main/resources/handlebars/typescript-angular/api.service.mustache
@@ -277,11 +277,11 @@ export class {{classname}} {
         let useForm = false;
         let convertFormParamsToString = false;
 {{#formParams}}
-{{#isFile}}
+{{#isBinary}}
         // use FormData to transmit files using content-type "multipart/form-data"
         // see https://stackoverflow.com/questions/4007969/application-x-www-form-urlencoded-or-multipart-form-data
         useForm = canConsumeForm;
-{{/isFile}}
+{{/isBinary}}
 {{/formParams}}
         if (useForm) {
             formParams = new FormData();