com.snowplowanalytics.iglu.schemaddl.jsonschema.CommonProperties
AST representing value for type key in JSON Schema
type
http://json-schema.org/latest/json-schema-validation.html#anchor79
Each property should at least have canonical key
AST representing value for
type
key in JSON Schemahttp://json-schema.org/latest/json-schema-validation.html#anchor79