public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { <BUG> if ( VAR_1 == ( VAR_2 ) ) {return VAR_2 ;BUG> }</BUG></BUG> <BUG> else {</BUG> return this ; } }
public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { return this ; } 
