YamlParser constructor

A parser for YAML configuration files.

Supports YAML syntax including nested structures, lists, and comments. Preserves special property values like #{} and @{} for later resolution.

#{} and @{} are used to preserve special property values like #{} and @{} for later resolution.

Example usage:

void main() {
  final parser = YamlParser();

  final config = parser.parse('key: value');
  print(config['key']); // Output: value

  final config = parser.parseAsset(asset);
  print(config['key']); // Output: value

  final config = parser.parseFile('config.yaml');
  print(config['key']); // Output: value
}