METHOD_0 ( ) { final java . lang . String output = new com . github . IDENT_0 . IDENT_1 . METHOD_1 ( IDENT_2 ) . METHOD_2 ( "a" , null ) ; "<AssertPlaceHolder>" ; } METHOD_2 ( java . lang . String , com . github . IDENT_0 . IDENT_1 . Set ) { final com . github . IDENT_0 . IDENT_1 . Set < java . lang . String > output = java . util . stream . IDENT_3 . of ( IDENT_4 ) . collect ( java . util . stream . IDENT_5 . METHOD_3 ( ) ) ; com . github . IDENT_0 . IDENT_1 . Optional . METHOD_4 ( METHOD_2 ) . METHOD_5 ( ( j ) -> output . addAll ( j ) ) ; return java . lang . String . join ( STRING_0 , new com . github . IDENT_0 . IDENT_1 . IDENT_6 < java . lang . IDENT_7 > ( output ) ) ; }
org . junit . Assert . assertThat ( output , org . hamcrest . Matchers . equalTo ( "a" ) )