public DescribePlacementGroupsResult describePlacementGroups() {return describePlacementGroups(new DescribePlacementGroupsRequest());}

public DescribePlacementGroupsResult describePlacementGroups ( ) { return describePlacementGroups ( new DescribePlacementGroupsRequest ( ) ) ; }
public virtual DescribePlacementGroupsResponse DescribePlacementGroups(){return DescribePlacementGroups(new DescribePlacementGroupsRequest());}
