// SetActivityTaskStartedEventAttributes sets the ActivityTaskStartedEventAttributes field's value.
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func (s *HistoryEvent) SetActivityTaskStartedEventAttributes(v *ActivityTaskStartedEventAttributes) *HistoryEvent {
	s.ActivityTaskStartedEventAttributes = v
	return s
}
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func (s *TimerCanceledEventAttributes) SetStartedEventId(v int64) *TimerCanceledEventAttributes {
	s.StartedEventId = &v
	return s
}
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func (s *DescribeTrainingJobOutput) SetTrainingStartTime(v time.Time) *DescribeTrainingJobOutput {
	s.TrainingStartTime = &v
	return s
}
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func (s *HistoryEvent) SetTimerCanceledEventAttributes(v *TimerCanceledEventAttributes) *HistoryEvent {
	s.TimerCanceledEventAttributes = v
	return s
}
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func (s *HistoryEvent) SetActivityTaskFailedEventAttributes(v *ActivityTaskFailedEventAttributes) *HistoryEvent {
	s.ActivityTaskFailedEventAttributes = v
	return s
}
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func (s *DescribeAuditTaskOutput) SetTaskStartTime(v time.Time) *DescribeAuditTaskOutput {
	s.TaskStartTime = &v
	return s
}
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func (s *WorkflowExecutionOpenCounts) SetOpenActivityTasks(v int64) *WorkflowExecutionOpenCounts {
	s.OpenActivityTasks = &v
	return s
}
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func (s *GetMaintenanceWindowTaskOutput) SetTaskParameters(v map[string]*MaintenanceWindowTaskParameterValueExpression) *GetMaintenanceWindowTaskOutput {
	s.TaskParameters = v
	return s
}
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func (s *HistoryEvent) SetStartChildWorkflowExecutionFailedEventAttributes(v *StartChildWorkflowExecutionFailedEventAttributes) *HistoryEvent {
	s.StartChildWorkflowExecutionFailedEventAttributes = v
	return s
}
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func (s *ChildWorkflowExecutionTerminatedEventAttributes) SetStartedEventId(v int64) *ChildWorkflowExecutionTerminatedEventAttributes {
	s.StartedEventId = &v
	return s
}
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func (s *DecisionTaskCompletedEventAttributes) SetStartedEventId(v int64) *DecisionTaskCompletedEventAttributes {
	s.StartedEventId = &v
	return s
}
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func OnActivityStarted(activityName string, deciders ...Decider) Decider {
	return OnActivityEvents(activityName, []string{
		swf.EventTypeActivityTaskStarted,
	}, deciders...)
}
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func (s *AuditFinding) SetTaskStartTime(v time.Time) *AuditFinding {
	s.TaskStartTime = &v
	return s
}
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func (s *CreateIntentVersionOutput) SetFulfillmentActivity(v *FulfillmentActivity) *CreateIntentVersionOutput {
	s.FulfillmentActivity = v
	return s
}
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func (s *HistoryEvent) SetWorkflowExecutionCompletedEventAttributes(v *WorkflowExecutionCompletedEventAttributes) *HistoryEvent {
	s.WorkflowExecutionCompletedEventAttributes = v
	return s
}
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func (s *HistoryEvent) SetActivityTimedOutEventDetails(v *ActivityTimedOutEventDetails) *HistoryEvent {
	s.ActivityTimedOutEventDetails = v
	return s
}
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func (s *TimerFiredEventAttributes) SetStartedEventId(v int64) *TimerFiredEventAttributes {
	s.StartedEventId = &v
	return s
}