copied from proto3 / Google Well Known Types, source: https://github.com/protocolbuffers/protobuf/blob/450d24ca820750c5db5112a6f0b0c2efb9758021/src/google/protobuf/struct.proto NullValue is a singleton enumeration to represent the null value for the Value type union.
NullValue
Value
The JSON representation for NullValue is JSON null.
null
copied from proto3 / Google Well Known Types, source: https://github.com/protocolbuffers/protobuf/blob/450d24ca820750c5db5112a6f0b0c2efb9758021/src/google/protobuf/struct.proto
NullValueis a singleton enumeration to represent the null value for theValuetype union.The JSON representation for
NullValueis JSONnull.