export const HandleUpdate = Symbol('FieldHandleUpdate');
export const Id = Symbol('FieldId');
export const FieldChanged = Symbol('FieldChanged');
export const Parent = Symbol('FieldParent');
export const Copy = Symbol('FieldCopy');
export const ToValue = Symbol('FieldToValue');
export const ToScriptString = Symbol('FieldToScriptString');
export const ToPlainText = Symbol('FieldToPlainText');
export const ToString = Symbol('FieldToString');