import type { Test } from "./runTypes.js";
/**
 * Which tests of a suite to run. Both `eval run` and `eval ls` apply a
 * filter through `selectTests`, so `eval ls` with the same flags shows
 * exactly what a run would run.
 */
export type TestFilter = {
    /** `--test` patterns. A test is selected when its id matches ANY pattern
     *  (picomatch glob, so `agent-*` works and a bare id is an exact match). */
    ids?: string[];
    /** `--tags` values. A test is selected only when it carries EVERY one —
     *  `--tags coding,hard` means hard coding tests, not hard-or-coding. */
    tags?: string[];
};
export declare function isEmptyFilter(filter: TestFilter): boolean;
export declare function selectTests(tests: Test[], filter: TestFilter): Test[];
/** The suite's tag vocabulary: every tag any test carries, first appearance
 *  order, duplicates removed. */
export declare function suiteTags(tests: Test[]): string[];
/** A filter that selects nothing is a mistake worth a specific message: name
 *  what the suite actually offers, so the fix is one glance away. */
export declare function describeEmptySelection(tests: Test[], filter: TestFilter): string;