import { Expression } from "../core/signals.js";
/**
 * Map an expression to join array elements using the specified separator.
 *
 * See {@link map}.
 *
 * @param separator The separator to use. Default is a space.
 *
 * @example
 * ```tsx
 * import { separated } from "rvx";
 *
 * <div aria-owns={separated(["a", "b", ...])} />
 * ```
 */
export declare function separated(input: Expression<unknown[]>, separator?: string): Expression<string>;
export declare function separated<T>(input: Expression<T>, separator?: string): Expression<T extends any[] ? (Exclude<T, any[]> | string) : T>;
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