METHOD_0 ( ) { data . METHOD_1 ( ) ; "<AssertPlaceHolder>" ; } METHOD_2 ( T ) { if ( ! ( contains ( item ) ) ) { throw new java . lang . IllegalArgumentException ( ( ( STRING_0 + item ) + STRING_1 ) ) ; } return java . util . Collections . METHOD_3 ( IDENT_0 . get ( item ) . METHOD_2 ( ) ) ; }
org . junit . Assert . assertTrue ( data . METHOD_2 ( null ) . isEmpty ( ) )