// Should be no imports here!
/**
* The sentinel value returned by producers to replace the draft with undefined.
*/
export const NOTHING: unique symbol = Symbol.for("immer-nothing")
/**
* To let Immer treat your class instances as plain immutable objects
* (albeit with a custom prototype), you must define either an instance property
* or a static property on each of your custom classes.
*
* Otherwise, your class instance will never be drafted, which means it won't be
* safe to mutate in a produce callback.
*/
export const DRAFTABLE: unique symbol = Symbol.for("immer-draftable")
export const DRAFT_STATE: unique symbol = Symbol.for("immer-state")