import type { TraceEvent } from '../../agent/trace/types.js';
export interface ReaderEvent {
    sessionId: string;
    tracePath: string;
    relativeTracePath: string;
    lineNumber: number;
    rawLine: string;
    event: TraceEvent;
}
export interface SessionRead {
    sessionId: string;
    tracePath: string;
    relativeTracePath: string;
    sessionMtimeMs: number;
    events: ReaderEvent[];
    invalidLineCount: number;
}
export interface ScanResult {
    sessionsScanned: number;
    sessionsSkippedOld: number;
    sessionsSkippedEmpty: number;
    invalidLineCount: number;
    sessions: SessionRead[];
}
export interface ScanOptions {
    sinceMs?: number;
    witnessRoot?: string;
    afkHome?: string;
}
export declare function parseDuration(input: string): number | undefined;
export declare function scanWitness(options?: ScanOptions): ScanResult;
export declare function parseTraceContent(args: {
    sessionId: string;
    tracePath: string;
    relativeTracePath: string;
    content: string;
    sessionMtimeMs: number;
}): SessionRead;