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