import { type ITerminal } from '@rushstack/terminal';
/**
 * Help class for terminal UI
 *
 * @alpha
 */
export declare class TerminalService {
    private _terminal;
    private _terminalProvider;
    private _asciiHeaderWidth;
    constructor();
    setIsVerbose(value: boolean): void;
    setIsDebug(value: boolean): void;
    get terminal(): ITerminal;
    writeTaskHeader(taskTitle: string): void;
    writeTaskFooter(): void;
    get isDebug(): boolean;
}
export type { ITerminal };
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