classStepTimeline(TypedDict,closed=True):creation_date_time:NotRequired["capo_emr.types.date.Date"]"""<p>The date and time when the cluster step was created.</p>"""start_date_time:NotRequired["capo_emr.types.date.Date"]"""<p>The date and time when the cluster step execution started.</p>"""end_date_time:NotRequired["capo_emr.types.date.Date"]"""<p>The date and time when the cluster step execution completed or failed.</p>"""