* feat(datastore): Add ModelField ReadOnly support

ModelFields can be readOnly to support non modifiable field types.

* fix(datastore): Sync Issues (aws-amplify#963)

* Bump iOS

* Bump version

* Bump version

* Update Changelogs

* Update changelogs

* Update changelogs

* fix(datastore): Remove temporary fix to issue aws-amplify#395 (aws-amplify#967)

* fix(datastore): OIDC Rework (aws-amplify#966)

* Bump version

* Update Changelogs

* Update changelogs

* Update changelogs

* Change internal OIDC implementation

* Remove iOS tests for now

* Remove AuthProviderTests

* Update conventions

* Fix whitespace

* Add tests

* Clean up

* Clean up concurrency

* Fix tests

* Bump iOS versions

* Clean up Android

* Update changelog date

* Update changelogs

Co-authored-by: Hui Zhao <[email protected]>

* feat: dart only implementation of observeQuery

* feat: use sorted list for cached item

* chore: rename sorted list file

* feat: move merge logic inside QuerySnapshot

* chore: update logging

* chore: move evaluate logic to QueryPredicate

* feat: add compareTo for temporal types

* chore: update examples

* test: add unit tests for querySnapshot

* feat: add sync status

* chore: move StreamGroup

* feat: batch before sync

* feat: duration batching

* chore: create executor

* chore: add license

* feat: allow for no throttling

* test: add tests for throttle extension

* chore: remove events from QuerySnapshot

* chore: remove events from executor

* chore: undo change in main for unit tests

* chore: undo formatting change

* chore: remove temp changes to query

* chore: remove temp change in post model

* chore: add missing license

* chore: add missing license

* chore: remove check for dup event

* chore: handle non-comparable fields

* chore: remove comments from temporal types

* chore: remove late keyword

* chore: add operators to SortedList

* test: add test for withSyncStatus

* test: add tests for SortedList

* chore: replace StreamGroup w/ merge util

* chore: update comments

* test: add unit test for mergeStreams

* test: add tests for observeQueryExecutor

* chore: removed unused ensureInitialized calls

* chore: update doc comments

* fix: update query field operator comparisons

* test: add tests for sort comparisons

* test: query predicate comparison test

* test: add test for sync status cache

* test: add tests for and/or/not predicates

* chore: update model

* chore: address initial PR comments

* chore: refactor ObserveQueryExecutor

* chore: refactor SortedList to use ListMixin

* feat: update merge to use sync stream controller

* test: observeQuery integ tests

* chore: update example app

* feat: start batching after model sync started

* chore: removed runQueries() from example app

* chore: refactor sort order, add test

* chore: update import statement

* chore: refactor withSubscriptionEvent

* chore: add test coverage to throttle util

* chore: replace custom merge util with async

* chore: address formatting issue

* chore: remove unused stream util

* chore: undo unrelated change

* Revert test model changes

* Fix test model

* Bump iOS version

Co-authored-by: Dillon Nys <[email protected]>
Co-authored-by: Dillon Nys <[email protected]>

…#599)" (aws-amplify#994)

This reverts commit fd12602.

* 0.2.6 release

* Update example app pubspec

* Bump Android deps

* Query operator fields should be nullable

* Update changelogs

* fix: update predicate evaluation for nulls

* test: add query predicate evaluate tests for nulls

* chore: update test data

* chore: regen models with cli 6.3.1

* chore: add test schema file

Co-authored-by: Jordan Nelson <[email protected]>