[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["The latest version of the Headers class is 2.63.1, with numerous previous versions ranging down to 2.7.1 available for review."],["The `Headers` class extends `java.lang.Object` and inherits several methods from it, including `clone()`, `equals()`, and `hashCode()`."],["The `Headers` class provides a `mergeHeaders` method, which takes two `Map` objects (`oldHeaders` and `newHeaders`) as input, both mapping strings to lists of strings, merging their values."],["The `mergeHeaders` method returns an `ImmutableMap` containing merged headers, mapping `String` keys to `List\u003cString\u003e` values."],["The `Headers()` constructor is public, allowing direct instantiation of the `Headers` class."]]],[]]