public TYPE_1 METHOD_1 ( ) { <BUG> return new TYPE_2 ( METHOD_2 ( 0 ) . METHOD_3 ( ) ) ;</BUG> }
public TYPE_1 METHOD_1 ( ) { if ( ( METHOD_2 ( 0 ) ) instanceof TYPE_2 ) { return METHOD_2 ( 0 ) ; } return null ; } 
