code: func propertiesFromDefs(definitions map[string]*JSONSchema, path string) map[string]*JSONSchema {
  	res := make(map[string]*JSONSchema, len(definitions))
  	for n := range definitions {
  		if n == "identity" {
  			continue
  		}
  		s := NewJSONSchema()
  		s.Ref = path + n
  		res[n] = s
  	}
  	return res
  }
docs: // propertiesFromDefs creates a Properties map referencing the given definitions under the given
  // path.