getDefault method Null safety
Implementation
@$core.pragma('dart2js:noInline')
static WaitOperationRequest getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<WaitOperationRequest>(create);
@$core.pragma('dart2js:noInline')
static WaitOperationRequest getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<WaitOperationRequest>(create);