public Task <ServiceResult <MixedResponseDto> > MixedAsync(MixedRequestDto request, CancellationToken cancellationToken = default) =>
 TrySendRequestAsync(ConformanceApiHttpMapping.MixedMapping, request, cancellationToken);
 /// <inheritdoc />
 public Task <ServiceResult <MixedResponseDto> > MixedAsync(MixedRequestDto request, CancellationToken cancellationToken = default) =>
 Task.FromResult(Execute <MixedResponseDto>(request));