--- /dev/null
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+
+var ordinaryOwnMetadataKeys = ReflectMetadataModule.keys;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+// `Reflect.getOwnMetadataKeys` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+ getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
+ var targetKey = arguments.length < 2 ? undefined : toMetadataKey(arguments[1]);
+ return ordinaryOwnMetadataKeys(anObject(target), targetKey);
+ }
+});