import prettier from 'prettier';
declare type ImportCodeParams = {
    file: string;
    fileToImport: string;
} & ({
    symbols?: string[];
    default?: string;
} | {
    starAs: string;
});
export declare class Util {
    static ALPHA: string;
    static rootObjectName: string;
    static queryObjectName: string;
    static mutationObjectName: string;
    static prettierOptions: prettier.Options | undefined;
    static rimraf(deletePath: string): Promise<void>;
    static toRecord<T>(arr: T[], getKey: (obj: T) => string): Record<string, T>;
    static lowercaseFirstLetter(str: string): string;
    static title(str: string): string;
    static parseTags(lines: string[]): Record<string, string>;
    static writeFile(filePath: string, content: string): void;
    static removeExtension(filePath: string): string;
    static getImportCode(params: ImportCodeParams): string;
    static formatCodeX(code: string): string;
    static formatCode(code: string): string | null;
    static randomStr(len: number): string;
    static randomStrExcluding(len: number, existing: string[]): string;
}
export {};