public TYPE_1 METHOD_1 ( ) { if ( TYPE_2 . isEmpty ( ) ) { throw new TYPE_3 ( ) ; } return METHOD_1 ( VAR_1 ) . element ; } 

public TYPE_1 METHOD_1 ( ) { if ( isEmpty ( ) ) { throw new TYPE_3 ( ) ; } return METHOD_1 ( VAR_1 ) . element ; } 
