Supported Schema Tags topic
The secondary tag handle !! is limited to tags below which all resolve to the YAML global tag prefix, tag:yaml.org,2002.
- 
YAMLschema tags- !!map-- Map
- !!seq-- List
- !!str-- String
 
- 
JSONschema tags- !!null-- null
- !!bool- Boolean.
- !!int- Integer.- hex,- octaland- base 10should use this.
- !!float- double.
 
Properties
- booleanTag → TagShorthand
- 
  JSONboolfinal
- floatTag → TagShorthand
- 
  JSONdoublefinal
- integerTag → TagShorthand
- 
  JSONintfinal
- mappingTag → TagShorthand
- 
  Generic Map
  final
- nullTag → TagShorthand
- 
  JSONnullfinal
- 
  scalarTags
  → Set<TagShorthand> 
- 
  Any TagShorthand that resolves to a Scalar
  final
- sequenceTag → TagShorthand
- 
  Generic List
  final
- stringTag → TagShorthand
- 
  Generic String
  final
- yamlGlobalTag → GlobalTag
- 
  YAMLglobal tagfinal
Functions
- 
  isYamlTag(TagShorthand tag) → bool 
- 
  Checks if a tagis valid tag in the yaml schema. A yaml tag uses the TagHandleVariant.secondary handle