import type { Helper } from "../helper-registry.js";
/**
 * Convert the given string to a regular expression.
 *
 * @example
 * {{toRegex "foo"}}
 * <!-- results in: /foo/ -->
 *
 * {{#if (test test.name (toRegex "^Login"))}}
 *   <!-- Only show for tests whose name starts with 'Login' -->
 * {{/if}}
 *
 * Use with CTRF templates to dynamically filter or highlight test names, error messages, or log lines that match a pattern.
 *
 * @param {unknown} str - The string pattern to convert to a RegExp (from test data or template input).
 * @returns {RegExp|null} The RegExp object for use in test reporting, or null if input is invalid.
 */
export declare const toRegexHelper: Helper;
/**
 * Returns true if the given `str` matches the given regex. A regex can
 * be passed on the context, or using the [toRegex](#toregex) helper as a subexpression.
 *
 * @example
 * {{test "bar" (toRegex "foo")}}
 * <!-- results in: false -->
 * {{test "foobar" (toRegex "foo")}}
 * <!-- results in: true -->
 * {{test "foobar" (toRegex "^foo$")}}
 * <!-- results in: false -->
 *
 * {{#if (test test.error (toRegex "timeout"))}}
 *   <!-- Highlight tests with timeout errors in CTRF reports -->
 * {{/if}}
 *
 * Use with CTRF templates to conditionally render sections, highlight failures, or group tests by matching patterns in names, errors, or logs.
 *
 * @param {unknown} str - The string to test (from test data).
 * @param {unknown} regex - The RegExp to test against (from toRegex or context).
 * @returns {boolean} True if the string matches the regex, false otherwise.
 */
export declare const testHelper: Helper;
/**
 * Suggestion: Use {{test someString (toRegex "pattern")}} in your CTRF Handlebars templates to filter or highlight test results based on dynamic patterns.
 */
export declare const regexHelpers: Helper[];