/**
 * Parses a VS Code (Copilot agent) JSONL transcript into the FullMessage[]
 * format used by the indexer.
 *
 * VS Code writes transcripts to:
 *   <workspaceStorage>/<hash>/GitHub.copilot-chat/transcripts/<sessionId>.jsonl
 *
 * The transcript is an ordered event stream. Each line is a JSON object with:
 *   - `type`: event type string
 *   - `data`: event-specific payload
 *   - `id`: unique event UUID
 *   - `timestamp`: ISO 8601 timestamp
 *   - `parentId`: UUID of the parent event (forms a tree)
 *
 * Known event types:
 *   - `session.start`           — session metadata (first line)
 *   - `user.message`            — user turn: { content: string, attachments: [] }
 *   - `assistant.turn_start`    — marks the start of an assistant turn
 *   - `assistant.message`       — assistant text: { messageId, content, toolRequests, reasoningText? }
 *   - `tool.execution_start`    — tool call: { toolCallId, toolName, arguments }
 *   - `tool.execution_complete` — tool result: { toolCallId, result, success }
 *   - `assistant.turn_end`      — marks the end of an assistant turn
 */
import type { FullMessage } from "./types";
/**
 * Parses a VS Code JSONL transcript file into FullMessage[].
 *
 * Produces one FullMessage per logical turn:
 *   - user.message → role "user" with text part
 *   - assistant.message + associated tool calls → role "assistant" with
 *     text part and tool-invocation parts
 *   - tool.execution_complete → added as tool-invocation result to the
 *     preceding assistant message (if matched) or as a standalone tool message
 */
export declare function parseVscodeTranscript(transcriptPath: string): FullMessage[];
/**
 * Derives a session title from the transcript messages.
 * Uses the first meaningful user message text, truncated to 60 chars.
 */
export declare function deriveVscodeSessionTitle(messages: FullMessage[]): string;
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