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var $ = require('../internals/export');
var ReflectMetadataModule = require('../internals/reflect-metadata');
var anObject = require('../internals/an-object');
var toMetadataKey = ReflectMetadataModule.toKey;
var getOrCreateMetadataMap = ReflectMetadataModule.getMap;
var store = ReflectMetadataModule.store;
// `Reflect.deleteMetadata` method
// https://github.com/rbuckton/reflect-metadata
$({ target: 'Reflect', stat: true }, {
deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {
var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
var metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);
if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) return false;
if (metadataMap.size) return true;
var targetMetadata = store.get(target);
targetMetadata['delete'](targetKey);
return !!targetMetadata.size || store['delete'](target);
}
});