/**
 * Transcript Parser - Parse Claude SDK JSONL transcript files
 *
 * Claude SDK stores transcripts as JSONL (JSON Lines) files:
 * - Main session: {sessionId}.jsonl
 * - Subagents/tasks: agent-{uuid}.jsonl
 *
 * Each line is a JSON object representing an SDK message.
 */
import type { SDKMessage } from '@anthropic-ai/claude-agent-sdk';
/**
 * Parse JSONL transcript file content into array of SDK messages
 *
 * @param content - Raw JSONL file content
 * @returns Array of parsed SDK messages
 */
export declare function parseClaudeTranscriptFile(content: string): SDKMessage[];
/**
 * Extract subagent ID from filename
 *
 * Examples:
 * - "agent-abc123.jsonl" → "agent-abc123"
 * - "abc123.jsonl" → null (main transcript)
 *
 * @param filename - Transcript filename
 * @returns Subagent ID or null if main transcript
 */
export declare function extractSubagentId(filename: string): string | null;
/**
 * Detect subagent status from transcript messages
 *
 * A subagent is considered:
 * - active: Has messages but no final result
 * - completed: Has a result message
 * - failed: Currently not detected from transcript (errors are handled separately)
 *
 * @param messages - Subagent transcript messages
 * @returns Subagent status
 */
export declare function detectSubagentStatus(messages: SDKMessage[]): 'active' | 'completed' | 'failed';
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