import type { Labeler } from "./labeler";
export declare class NullLabeler implements Labeler {
    start(_: string): void;
    complete(_: string): void;
    fail(_: string, __: Error | undefined): void;
    suppressErrors(): void;
    suppressErrorReporting(): void;
    enableErrorReporting(): void;
    enableErrors(): void;
    indent: number;
    iconPadding: number;
    lastLineLength: number;
}