{"action":"created","comment":{"url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/comments/37138574","id":37138574,"diff_hunk":"@@ -1257,15 +1257,20 @@ The following are the supported return types:\n * An `HttpHeaders` object to return a response with no body.\n * A `Callable<?>` can be returned when the application wants to produce the return value\n   asynchronously in a thread managed by Spring MVC.\n+* An `WebAsyncTask<?>` can be returned when the application wants to produce the return\n+  value from a thread of its own choosing.\n * A `DeferredResult<?>` can be returned when the application wants to produce the return\n   value from a thread of its own choosing.\n * A `ListenableFuture<?>` can be returned when the application wants to produce the return\n   value from a thread of its own choosing.\n+* A class which implements a `CompletionStage<?>` interface (e.g. 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to:\r\n\r\nA class which implements `CompletionStage<?>` (e.g., `CompletableFuture<?>`)","created_at":"2015-08-15T19:36:09Z","updated_at":"2015-08-15T19:36:09Z","html_url":"https://github.com/spring-projects/spring-framework/pull/858#discussion_r37138574","pull_request_url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/858","_links":{"self":{"href":"https://api.github.com/repos/spring-projects/spring-framework/pulls/comments/37138574"},"html":{"href":"https://github.com/spring-projects/spring-framework/pull/858#discussion_r37138574"},"pull_request":{"href":"https://api.github.com/repos/spring-projects/spring-framework/pulls/858"}}},"pull_request":{"url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/858","id":42523068,"html_url":"https://github.com/spring-projects/spring-framework/pull/858","diff_url":"https://github.com/spring-projects/spring-framework/pull/858.diff","patch_url":"https://github.com/spring-projects/spring-framework/pull/858.patch","issue_url":"https://api.github.com/repos/spring-projects/spring-framework/issues/858","number":858,"state":"open","locked":false,"title":"Improve description about return value types of handler method in reference 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CompletionStage\r\n* Trivial improvement\r\n\r\nPlease review.\r\nI have signed and agree to the terms of the SpringSource Individual Contributor License Agreement.\r\n","created_at":"2015-08-15T17:53:44Z","updated_at":"2015-08-15T19:36:09Z","closed_at":null,"merged_at":null,"merge_commit_sha":"bc33cc3b9956413c8814f9dd4896467efa6d5b9c","assignee":{"login":"rstoyanchev","id":401908,"avatar_url":"https://avatars.githubusercontent.com/u/401908?v=3","gravatar_id":"","url":"https://api.github.com/users/rstoyanchev","html_url":"https://github.com/rstoyanchev","followers_url":"https://api.github.com/users/rstoyanchev/followers","following_url":"https://api.github.com/users/rstoyanchev/following{/other_user}","gists_url":"https://api.github.com/users/rstoyanchev/gists{/gist_id}","starred_url":"https://api.github.com/users/rstoyanchev/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rstoyanchev/subscriptions","organizations_url":"https://api.github.com/users/rstoyanchev/orgs","repos_url":"https://api.github.com/users/rstoyanchev/repos","events_url":"https://api.github.com/users/rstoyanchev/events{/privacy}","received_events_url":"https://api.github.com/users/rstoyanchev/received_events","type":"User","site_admin":false},"milestone":null,"commits_url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/858/commits","review_comments_url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/858/comments","review_comment_url":"https://api.github.com/repos/spring-projects/spring-framework/pulls/comments{/number}","comments_url":"https://api.github.com/repos/spring-projects/spring-framework/issues/858/comments","statuses_url":"https://api.github.com/repos/spring-projects/spring-framework/statuses/65b8fcca90e5e88853a6ad868542d67ce346ca2f","head":{"label":"kazuki43zoo:handler-method-return-types","ref":"handler-method-return-types","sha":"65b8fcca90e5e88853a6ad868542d67ce346ca2f","user":{"login":"kazuki43zoo","id":5616270,"avatar_url":"https://avatars.githubusercontent.com/u/5616270?v=3","gravatar_id":"","url":"https://api.github.com/users/kazuki43zoo","html_url":"https://github.com/kazuki43zoo","followers_url":"https://api.github.com/users/kazuki43zoo/followers","following_url":"https://api.github.com/users/kazuki43zoo/following{/other_user}","gists_url":"https://api.github.com/users/kazuki43zoo/gists{/gist_id}","starred_url":"https://api.github.com/users/kazuki43zoo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kazuki43zoo/subscriptions","organizations_url":"https://api.github.com/users/kazuki43zoo/orgs","repos_url":"https://api.github.com/users/kazuki43zoo/repos","events_url":"https://api.github.com/users/kazuki43zoo/events{/privacy}","received_events_url":"https://api.github.com/users/kazuki43zoo/received_events","type":"User","site_admin":false},"repo":{"id":21525845,"name":"spring-framework","full_name":"kazuki43zoo/spring-framework","owner":{"login":"kazuki43zoo","id":5616270,"avatar_url":"https://avatars.githubusercontent.com/u/5616270?v=3","gravatar_id":"","url":"https://api.github.com/users/kazuki43zoo","html_url":"https://github.com/kazuki43zoo","followers_url":"https://api.github.com/users/kazuki43zoo/followers","following_url":"https://api.github.com/users/kazuki43zoo/following{/other_user}","gists_url":"https://api.github.com/users/kazuki43zoo/gists{/gist_id}","starred_url":"https://api.github.com/users/kazuki43zoo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kazuki43zoo/subscriptions","organizations_url":"https://api.github.com/users/kazuki43zoo/orgs","repos_url":"https://api.github.com/users/kazuki43zoo/repos","events_url":"https://api.github.com/users/kazuki43zoo/events{/privacy}","received_events_url":"https://api.github.com/users/kazuki43zoo/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/kazuki43zoo/spring-framework","description":"The 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