/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Validates that an error thrown by our `assert()` function has the expected message, or a
 * short code that corresponds to that message.
 *
 * @remarks
 * The main use case for this is so tests that expect specific assert() calls to fail can
 * always do comparisons based on the original string message, and work whether they run
 * before the policy-check tool replaces those strings with short codes, or after. Note that
 * it either returns true or throws an error (the behavior expected by NodeJS' `assert.throws()`).
 *
 * @param expectedErrorMessage - The message that the error object should match (either explicitly,
 * or because it contains a short code which maps to that message).
 * @returns an error validation function suitable for use with NodeJS's `assert.throws()`.
 * @internal
 */
export declare function validateAssertionError(expectedErrorMsg: string | RegExp): (error: Error) => true;
/**
 * {@link validateError} for `UsageError`.
 * @internal
 */
export declare function validateUsageError(expectedErrorMsg: string | RegExp): (error: Error) => true;
/**
 * {@link validateError} for `TypeError`.
 * @internal
 */
export declare function validateTypeError(expectedErrorMsg: string | RegExp): (error: Error) => true;
/**
 * Validates that a specific kind of error was thrown with the expected message.
 * @remarks
 * Intended for use with NodeJS's `assert.throws`.
 * @see {@link validateAssertionError}, {@link validateUsageError}, {@link validateTypeError} for more specialized versions.
 * @returns an error validation function suitable for use with NodeJS's `assert.throws()`.
 * @internal
 */
export declare function validateError(expectedErrorMsg: string | RegExp, errorType?: new (...args: any[]) => Error): (error: Error) => true;
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