public boolean contains ( TYPE_1 node ) { TYPE_2 VAR_1 = METHOD_1 ( node , VAR_2 ) ; return ( VAR_1 != null ) && ( VAR_2 . contains ( node ) ) ; } 

public boolean contains ( TYPE_1 node ) { TYPE_2 VAR_1 = METHOD_1 ( node , VAR_2 ) ; return ( VAR_1 != null ) && ( VAR_2 . contains ( VAR_1 ) ) ; } 
