export interface ProgressIndicator {
    start(): void;
    stop(): void;
    update(message: string): void;
}
export declare class SimpleProgressIndicator implements ProgressIndicator {
    private intervalId;
    private frames;
    private currentFrame;
    private message;
    start(): void;
    stop(): void;
    update(message: string): void;
}
export declare class TerminalFormatter {
    static formatHeader(text: string, level?: 'main' | 'section'): string;
    static formatSuccess(text: string, duration?: number): string;
    static formatError(text: string): string;
    static formatStep(text: string, status: 'pending' | 'progress' | 'success' | 'error', duration?: number): string;
    static formatDebug(text: string): string;
    static formatPartialResponse(response: string, maxLength?: number): string;
    static formatContent(text: string): string;
    static formatBatchSummary(passedCount: number, totalCount: number, duration: number): string;
}
export declare class OutputBuffer {
    private lines;
    add(line: string): void;
    addEmpty(): void;
    getLines(): string[];
    clear(): void;
    isEmpty(): boolean;
    toString(): string;
}