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/**
* @license
* Copyright 2018 Palantir Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Generic error typing for EcmaScript errors
* Define `Error` here to avoid using `Error` from @types/node.
* Using the `node` version causes a compilation error when this code is used as an npm library if @types/node is not already imported.
*/
export declare class Error {
name?: string;
message: string;
stack?: string;
constructor(message?: string);
}
/**
* Used to exit the program and display a friendly message without the callstack.
*/
export declare class FatalError extends Error {
message: string;
innerError?: Error | undefined;
static NAME: string;
constructor(message: string, innerError?: Error | undefined);
}
export declare function isError(possibleError: any): possibleError is Error;
export declare function showWarningOnce(message: string): void;
export declare function showRuleCrashWarning(message: string, ruleName: string, fileName: string): void;