public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { <BUG> if ( VAR_1 != null ) {</BUG> this . VAR_1 = VAR_1 ; <BUG> }</BUG> return this ; }
public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { this . VAR_1 = VAR_1 ; return this ; } 
