public void setEndDateTime(com.google.api.ads.admanager.axis.v201808.DateTime endDateTime) {
        this.endDateTime = endDateTime;
    }
public void setEndDateTime ( com . google . api . ads . admanager . axis . v201808 . DateTime endDateTime ) { this . endDateTime = endDateTime ; }
Sets the endDateTime value for this LineItemCreativeAssociation.

@param endDateTime   * Overrides {@link LineItem#endDateTime}. This value is optional
and is only
valid for Ad Manager 360 networks.