/// <summary>
/// Sends request to leave current group
/// </summary>
/// <returns>Request result</returns>
/// <exception cref="LinkedInAlreadyMemberException">Thrown if user is not a member of the group</exception>
public LinkedInResponse <bool> Leave()
{
if (MembershipState != LinkedInGroupRelationship.NonMember)
{
return(RequestRunner.RequestLeaveGroup(Id));
}
throw new LinkedInIsNotMemberException("The user is not a member of group " + Name);
}