Java tutorial
/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ package com.facebook.react.bridge; /** * Type representing a piece of data with unknown runtime type. Useful for allowing javascript to * pass one of multiple types down to the native layer. */ public interface Dynamic { boolean isNull(); boolean asBoolean(); double asDouble(); int asInt(); String asString(); ReadableArray asArray(); ReadableMap asMap(); ReadableType getType(); void recycle(); }