fix(*): Vendored project dependencies

vendor/github.com/emirpasic/gods/containers/serialization.go

@@ -0,0 +1,21 @@
+// Copyright (c) 2015, Emir Pasic. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package containers
+
+// JSONSerializer provides JSON serialization
+type JSONSerializer interface {
+	// ToJSON outputs the JSON representation of containers's elements.
+	ToJSON() ([]byte, error)
+	// MarshalJSON @implements json.Marshaler
+	MarshalJSON() ([]byte, error)
+}
+
+// JSONDeserializer provides JSON deserialization
+type JSONDeserializer interface {
+	// FromJSON populates containers's elements from the input JSON representation.
+	FromJSON([]byte) error
+	// UnmarshalJSON @implements json.Unmarshaler
+	UnmarshalJSON([]byte) error
+}