/** Stable keyed entities whose collection identity is carried by the record key. */
export type EntityRegistry<TKey extends string, TValue, TIdentityField extends Extract<keyof TValue, string> = never> = Readonly<Record<TKey, TValue>> & Readonly<Record<never, TIdentityField>>;
/** Keyed configuration/property values whose key is part of the value's meaning. */
export type ValueMap<TKey extends string, TValue> = Readonly<Record<TKey, TValue>>;
export type SerializableSet<T extends string = string> = Readonly<Partial<Record<T, true>>>;
/*** Validate the canonical JSON-safe representation for unordered string membership. */
export declare function isSerializableSet(value: unknown): value is SerializableSet;
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