import * as Brand from "effect/Brand";
/**
 * Ordered names for the visible components of a stream's ordering key. Names
 * may repeat, and the sequence may be empty. They are aliases, not document
 * field paths; implicit ID positions have no visible label.
 *
 * @experimental
 */
export type QueryStreamKeyLabels<Names extends ReadonlyArray<string> = ReadonlyArray<string>> = Readonly<Names> & Brand.Brand<"@confect/server/QueryStreamKeyLabels">;
/**
 * @experimental
 */
export type Concat<LeftKeyLabels extends QueryStreamKeyLabels, RightKeyLabels extends QueryStreamKeyLabels> = LeftKeyLabels extends QueryStreamKeyLabels<infer LeftNames> ? RightKeyLabels extends QueryStreamKeyLabels<infer RightNames> ? QueryStreamKeyLabels<readonly [...LeftNames, ...RightNames]> : never : never;
/**
 * Mark a tuple of names as labels without changing its runtime representation.
 *
 * @experimental
 */
export declare function make<const Names extends ReadonlyArray<string>>(names: Names): QueryStreamKeyLabels<Names>;
/**
 * Check whether the labels start with the given prefix, including order and
 * multiplicity. The empty prefix always matches.
 *
 * @experimental
 */
export declare const hasPrefix: (self: QueryStreamKeyLabels, prefixKeyLabels: QueryStreamKeyLabels) => boolean;
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