/**
 * Identity helpers — produce stable `logicalId` and per-mount
 * `instanceId` values for components, hooks, and slots. Mirrors the
 * shapes documented in `planning/02-data-model.md#logicalid`.
 */
export declare function nextGeneration(logicalId: string): number;
export declare function shortHash(): string;
export declare function componentLogicalId(file: string, name: string): string;
export declare function hookLogicalId(file: string, componentName: string, hookName: string, index: number): string;
export declare function slotLogicalId(file: string, line: number, kind: string): string;
export declare function makeInstanceId(logicalId: string): {
    instanceId: string;
    generation: number;
};
/**
 * Cheap deterministic hash over an array of dependency values. Used by
 * the traced hooks to compute `depsHash` so the reducer can decide
 * whether a hook re-ran because of a dep change.
 *
 * IDENTITY semantics, deliberately: objects and functions hash by a stable
 * per-reference id (a WeakMap registry), primitives by value — which is
 * exactly how React itself compares deps (`Object.is` per slot). The old
 * value hash (`JSON.stringify` per object dep, `fn.toString()` per function
 * dep, per hook, per render) was BOTH the profiler's top self-time in commit
 * storms AND less truthful: a re-created dep with equal content hashed
 * "unchanged", hiding precisely the referential instability that makes a
 * hook re-run — the thing this field exists to expose.
 */
export declare function depsHash(deps: readonly unknown[] | undefined): string;
/** Test hook to reset generation counters between smoke iterations. */
export declare function resetIdentityState(): void;