/**
 * Tree-based deduplication for Claude Code session files with fork support.
 *
 * Unlike the linear chain approach, this handles cases where conversations
 * can fork into multiple branches from any point.
 */
import type { SessionData, SessionNode, SessionTreesResult, LatestSession, SessionMessage } from '@shared/claude/types';
/**
 * Extract all message UUIDs and content from a session file
 */
export declare function extractSessionData(filepath: string): Promise<SessionData>;
/**
 * Determine parent-child relationships between sessions
 */
export declare function findSessionRelationships(sessionsData: SessionData[]): {
    relationships: Map<string, string>;
    children: Map<string, Set<string>>;
};
/**
 * Build a tree structure from the relationships
 */
export declare function buildSessionTree(sessionsData: SessionData[], relationships: Map<string, string>, children: Map<string, Set<string>>): SessionNode[];
/**
 * Get session trees with full metadata
 */
export declare function getSessionTreesJSON(directory?: string): Promise<SessionTreesResult>;
/**
 * Get only the latest sessions (all leaf nodes from all trees)
 * Returns an array of latest sessions, handling forks by including all branch endpoints
 */
export declare function getLatestSessions(directory?: string): Promise<LatestSession[]>;
/**
 * Get all messages for a specific session
 * @param projectName - The encoded project name (e.g., "-Users-username-repos-project")
 * @param sessionId - The UUID of the session to load messages for
 * @param baseDir - Optional base directory (defaults to ~/.claude/projects)
 * @returns Array of session messages sorted by timestamp
 */
export declare function getSessionMessages(projectName: string, sessionId: string, baseDir?: string): Promise<SessionMessage[]>;
/**
 * Get the latest descendant session ID for a given session in a project.
 * If the session has no descendants, returns the input session ID.
 *
 * @param projectName - The encoded project name (e.g., "-Users-username-repos-project")
 * @param sessionId - The UUID of the session to find descendants for
 * @param baseDir - Optional base directory (defaults to ~/.claude/projects)
 * @returns The session ID of the most recently updated descendant (or the input sessionId if no descendants)
 */
export declare function getLatestDescendant(projectName: string, sessionId: string, baseDir?: string): Promise<string>;
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