public TYPE_1 replace ( TYPE_2 VAR_1 ) { VAR_2 . METHOD_1 ( ) . METHOD_2 ( ) . set ( index , VAR_1 ) ; return this ; } 

public TYPE_1 replace ( TYPE_2 VAR_1 ) { if ( ( VAR_2 ) == null ) { node = VAR_1 ; } else { VAR_2 . METHOD_1 ( ) . METHOD_2 ( ) . set ( index , VAR_1 ) ; } return this ; } 
