.b64encode	Base64::Deprecated.#b64encode
.decode64	Base64::Deprecated.#decode64
.decode_b	Base64::Deprecated.#decode_b
.encode64	Base64::Deprecated.#encode64
#b64encode	Base64::Deprecated.#b64encode
#decode64	Base64::Deprecated.#decode64
#decode_b	Base64::Deprecated.#decode_b
#encode64	Base64::Deprecated.#encode64
