func (e *EventStreamDefinition) GetEventSizeOk() (string, bool) {
	if e == nil || e.EventSize == nil {
		return "", false
	}
	return *e.EventSize, true
}
func (e *EventStreamDefinition) GetEventSizeOk() (string, bool) {
	if e == nil || e.EventSize == nil {
		return "", false
	}
	return *e.EventSize, true
}
// GetEventSizeOk returns a tuple with the EventSize field if it's non-nil, zero value otherwise
// and a boolean to check if the value has been set.