/**
 * Update and validate the filter type.
 * @param {string} type - The original filter type.
 * @returns {string|undefined} The updated and validated filter type.
 *                            Returns undefined if the type is not valid.
 */
export function updateFilterType(type: string): string | undefined;
/**
 * Parse filter parameters from a string in the format "type=id".
 * @param {string} opts - The input string containing the filter parameters.
 * @returns {Object} An object containing the parsed filter parameters.
 *                   The object has properties "type" and "id".
 */
export function parseFilterParams(opts: string): any;
/**
 * Generates mode request parameters based on the input params.
 * @param {{type: string, id?: string, apiKey: string}} params - The input parameters for the request.
 * @returns {Object|null} - An object containing the generated request parameters, or null if the type is invalid.
 */
export function generateFilterRequestParams(params: {
    type: string;
    id?: string;
    apiKey: string;
}): any | null;
/**
 * Set S3 credentials from the provided artifacts object.
 * @param {Object} artifacts - The artifacts object containing S3 credentials.
 */
export function setS3Credentials(artifacts: any): void;
/**
 * Return an emoji based on the provided status.
 * @param {string} status - The status value ('passed', 'failed', or 'skipped').
 * @returns {string} - An emoji corresponding to the provided status.
 */
export function statusEmoji(status: string): string;
/**
 * Generate a full name string based on the provided test object.
 * @param {object} t - The test object.
 * @returns {string} - A formatted full name string for the test object.
 */
export function fullName(t: object): string;
/**
 * Parses a comma-separated list of key-value pairs into an options object.
 *
 * The input string should be formatted as `"key1=value1,key2=value2,..."`.
 * Whitespace around keys and values is trimmed. If the input is empty or undefined,
 * an empty object is returned.
 *
 * @param {string} [optionsStr] - A comma-separated string of key=value pairs.
 * @returns {Object} An object mapping option keys to their string values.
 *
 * @example
 * parsePipeOptions('foo=bar,baz=qux');
 * => Returns: { foo: 'bar', baz: 'qux' }
 */
export function parsePipeOptions(optionsStr?: string): any;
/**
 * Format a list of test IDs for `--filter-list` machine-readable output.
 * Used when the CLI `--format` option is passed,
 * e.g. `--filter-list "coverage:file=..." --format grep`.
 *
 * @param {string[]} ids
 * @param {'grep'|'json'|'newline'|'ids'} format
 * @returns {string} Empty string if no ids; otherwise the formatted output.
 */
export function formatFilterListIds(ids: string[], format: "grep" | "json" | "newline" | "ids"): string;