Provide an additional hook-point for YamlProcessor subclasses willing to change how the Yaml instance is configured. Also expose the default StrictMapAppenderConstructor so that they can compose a custom instance with it. Issue: SPR-12671
Provide an additional hook-point for YamlProcessor subclasses willing to change how the Yaml instance is configured. Also expose the default StrictMapAppenderConstructor so that they can compose a custom instance with it. Issue: SPR-12671