/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * each handler has a name for filtering and a match regex for matching which files it should resolve
 * the handler function returns an error message or undefined/null for success
 * the resolver function (optional) can attempt to resolve the failed validation
 */
export interface Handler {
    name: string;
    match: RegExp;
    /**
     *
     * @param file - Absolute path to the file.
     * @param root - Path to the repo root. This can be used to make repo-relative paths if needed.
     * @returns `undefined` if the check is successful. Otherwise returns an error message string.
     */
    handler: (file: string, root: string) => Promise<string | undefined>;
    resolver?: (file: string, root: string) => Promise<{
        resolved: boolean;
        message?: string;
    }> | {
        resolved: boolean;
        message?: string;
    };
    final?: (root: string, resolve: boolean) => {
        error?: string;
    } | undefined;
}
export declare function readFile(file: string): string;
export declare function writeFile(file: string, data: string): void;
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