return col1.size( ) == col2.size( );
{ if ( col1.size( ) == col2.size( ) ) return B_UNKNOWN; else return B_FALSE; }
	private boolean isEqualBasicCol( Collection col1, Collection col2 )	{		if ( col1 == col2 )			return true;		else if ( col1 == null || col2 == null )			return false;		else			return col1.size( ) == col2.size( );	}