/**
* Get participants of a completed work activity for a change item.
* If the work activity was executed multiple times
* (e.g., a rework activity was run several times), then only
* the participants from the latest completed execution are returned.
*
* Supported API: true
*
* @param changeItem Work flow primary business object.
* @param activityName Work flow activity name.
*
* @return Map of activity roles to the participants for that role,
* or null if an activity with the specified name has not been
* executed for the change item.
*
* @throws WTException
*/
public static Map<Role, WTSet>
getActivityParticipants(VersionableChangeItem changeItem,
String activityName) throws WTException

/**
* Get all participants of a change item team.
*
* Supported API: true
*
* @param changeItem Change item object.
*
* @return Map of change item roles to the
* participants for that role.
*
* @throws WTException
*/

public static Map<Role,WTSet> getChangeItemParticipants
(VersionableChangeItem changeItem)
throws WTException {

/**
* Set the participants for a role of a change item team.
* The old participants of the role, if any, will be
* replaced with the new participants.
*
* Supported API: true
*
* @param changeItem Work flow primary business object.
* @param role Change item team role to be set.
*
* @param participants Collection of new participants for the role.
* Pass an empty set to remove all participants
* from the role. Pass null to remove the
* entire role.

* @throws WTException
*/

public static void setChangeItemParticipants(VersionableChangeItem changeItem,
Role role,
WTCollection participants) throws WTException {