Command$json top-level constant Null safety

Implementation

@$core.Deprecated('Use commandDescriptor instead')
const Command$json = const {
  '1': 'Command',
  '2': const [
    const {'1': 'id', '3': 1, '4': 1, '5': 11, '6': '.spine.core.CommandId', '8': const {}, '10': 'id'},
    const {'1': 'message', '3': 2, '4': 1, '5': 11, '6': '.google.protobuf.Any', '8': const {}, '10': 'message'},
    const {'1': 'context', '3': 3, '4': 1, '5': 11, '6': '.spine.core.CommandContext', '8': const {}, '10': 'context'},
    const {'1': 'system_properties', '3': 4, '4': 1, '5': 11, '6': '.spine.core.Command.SystemProperties', '8': const {}, '10': 'systemProperties'},
  ],
  '3': const [Command_SystemProperties$json],
  '7': const {},
};