def METHOD_NAME(self) -> Optional['OpenTelemetryClientInterceptor']:
    """
    :returns: a gRPC client interceptor with the global tracing provider.
    """
    if self.tracing:
        from opentelemetry.instrumentation.grpc import (
            client_interceptor as grpc_client_interceptor,
        )
        return grpc_client_interceptor(self.tracer_provider)
    else:
        return None