It is similar to Guava's AsyncFunction, redeclared so that Guava can be shaded.
Type Parameters
Name
Description
I
O
Methods
apply(I input)
publicabstractApiFuture<O>apply(Iinput)
Returns an output Future to use in place of the given input. The output Future need not be
done, making AsyncFunction suitable for asynchronous derivations.
Throwing an exception from this method is equivalent to returning a failing Future.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-15 UTC."],[[["\u003cp\u003eThe latest version of the \u003ccode\u003eApiAsyncFunction\u003c/code\u003e is 2.46.1, but it also provides access to a number of past versions, all the way back to version 2.1.2.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eApiAsyncFunction\u003c/code\u003e is an interface used for transforming a value, potentially asynchronously, similar to Guava's \u003ccode\u003eAsyncFunction\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe interface's primary method, \u003ccode\u003eapply(I input)\u003c/code\u003e, accepts an input and returns an output \u003ccode\u003eApiFuture<O>\u003c/code\u003e, allowing for asynchronous processing.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eApiAsyncFunction\u003c/code\u003e interface includes two type parameters, \u003ccode\u003eI\u003c/code\u003e and \u003ccode\u003eO\u003c/code\u003e but no description is provided for them.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eapply\u003c/code\u003e method can either throw an exception, or return a failing \u003ccode\u003eFuture\u003c/code\u003e in case of failure.\u003c/p\u003e\n"]]],[],null,[]]