export interface Memo<T> {
    value: T;
    clear(): void;
}
/**
 * Lazily-computed cached value with explicit dependency edges.
 *
 * Pass upstream memos via `deps` (a thunk, so it can reference sibling fields
 * regardless of declaration order). Clearing any dep cascades to this memo, so
 * mutations only need to clear the single root that changed.
 */
export default function memo<T>(action: () => T, deps?: () => Memo<unknown>[]): Memo<T>;