{'colon_in_value': 'key: value',
 'hash_in_value': 'not # a comment',
 'leading_space': '  indented',
 'special_chars': '!@#$%^&*()',
 'brackets': '[not a list]',
 'braces': '{not a map}',
 'quoted_number': '42',
 'quoted_bool': 'true',
 'quoted_null': 'null',
 'empty_string': '',
 'just_spaces': '   ',
 'unicode_escape': 'é❤',
 'apostrophe': "it's fine",
 'both_quotes': 'she said "hi"',
 'url': 'https://example.com/path?query=1',
 'path': '/usr/local/bin',
 'email': 'user@example.com'}