syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"check(\"\\r\\r\\n\","}]}
source_snippet:     check("\r\r\n", "\r\n", &[2]);
context_before:     check("\r\nhello\r\nworld\r\n", "\nhello\nworld\n", &[1, 7, 13]);
context_after:     check("hello\rworld", "hello\rworld", &[]);