export interface GluegunPatching {
    /**
     * Checks if a string or pattern exists in a file.
     */
    exists(filename: string, findPattern: string | RegExp): Promise<boolean>;
    /**
     * Updates a file.
     */
    update(filename: string, callback: (contents: any) => any): Promise<string | object | boolean>;
    /**
     * Appends to the end of a file.
     */
    append(filename: string, contents: string): Promise<string | boolean>;
    /**
     * Prepends to the start of a files.
     */
    prepend(filename: string, contents: string): Promise<string | boolean>;
    /**
     * Replaces part of a file.
     */
    replace(filename: string, searchFor: string, replaceWith: string): Promise<string | boolean>;
    /**
     * Makes a patch inside file.
     */
    patch(filename: string, ...options: GluegunPatchingPatchOptions[]): Promise<string | boolean>;
}
export interface GluegunPatchingPatchOptions {
    insert?: string;
    before?: string | RegExp;
    after?: string | RegExp;
    replace?: string | RegExp;
    delete?: string | RegExp;
    force?: boolean;
}