| 12345678910111213141516 | // TODO: Remove from `core-js@4`var $ = require('../internals/export');var ReflectMetadataModule = require('../internals/reflect-metadata');var anObject = require('../internals/an-object');var toMetadataKey = ReflectMetadataModule.toKey;var ordinaryDefineOwnMetadata = ReflectMetadataModule.set;// `Reflect.defineMetadata` method// https://github.com/rbuckton/reflect-metadata$({ target: 'Reflect', stat: true }, {  defineMetadata: function defineMetadata(metadataKey, metadataValue, target /* , targetKey */) {    var targetKey = arguments.length < 4 ? undefined : toMetadataKey(arguments[3]);    ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), targetKey);  }});
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