export interface TimelineConfig {
    maxCommandLength: number;
    maxMessageLength: number;
    maxPathLength: number;
    maxReasoningLength: number;
    maxPlanStepLength: number;
    maxLineLength: number;
    maxStderrLength: number;
    maxErrorLength: number;
}
export declare const DEFAULT_TIMELINE_CONFIG: TimelineConfig;
export interface TimelineEvent {
    t: string;
    method: string;
    params?: unknown;
    code?: number | null;
    signal?: string | null;
    data?: string;
    synthetic?: boolean;
}
export interface TimelineResult {
    line: string | null;
    newTokenCount?: number;
}
export declare function formatTimelineLine(event: TimelineEvent, config?: TimelineConfig, lastTokenCount?: number): TimelineResult;
export declare function truncate(s: string, max: number): string;
export declare function cleanCommand(raw: string): string;