def is_pipeline(op):
return get_metadata_type(<EOL>op) == '<STR_LIT>'<EOL>
Check that an operation is a genomics pipeline run.

    An operation is a Genomics Pipeline run if the request metadata's @type
    is "type.googleapis.com/google.genomics.v2alpha1.Metadata".

    Args:
      op: a pipelines operation.

    Returns:
      Boolean, true if the operation is a RunPipelineRequest.