import { DerivedStore, Store, Equality } from "../types";
/**
 * Create a derived (computed) store from one or more source stores.
 *
 * Derived stores are read-only and automatically update when any
 * dependency store changes. Useful for computing derived state.
 *
 * @example
 * ```ts
 * const totalStore = derived(
 *   "total",
 *   [priceStore, quantityStore],
 *   (price, quantity) => price * quantity
 * );
 * ```
 *
 * @param name - Identifier for the derived store
 * @param dependencies - Array of source stores to derive from
 * @param selector - Function that computes the derived value
 * @param equals - Equality strategy (default: "strict")
 * @returns A read-only DerivedStore
 */
export declare function derived<T, const TStores extends readonly Store<any>[]>(name: string, dependencies: TStores, selector: (...args: {
    [K in keyof TStores]: TStores[K] extends Store<infer T> ? T : never;
}) => T, equals?: Equality<T>): DerivedStore<T>;
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