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1/**
2 * @license
3 * Copyright 2018 Palantir Technologies, Inc.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17/**
18 * Generic error typing for EcmaScript errors
19 * Define `Error` here to avoid using `Error` from @types/node.
20 * Using the `node` version causes a compilation error when this code is used as an npm library if @types/node is not already imported.
21 */
22export declare class Error {
23 name?: string;
24 message: string;
25 stack?: string;
26 constructor(message?: string);
27}
28/**
29 * Used to exit the program and display a friendly message without the callstack.
30 */
31export declare class FatalError extends Error {
32 message: string;
33 innerError?: Error | undefined;
34 static NAME: string;
35 constructor(message: string, innerError?: Error | undefined);
36}
37export declare function isError(possibleError: any): possibleError is Error;
38export declare function showWarningOnce(message: string): void;
39export declare function showRuleCrashWarning(message: string, ruleName: string, fileName: string): void;