/**
 * Session interface used across the application
 */
export interface Session {
    id: string;
    project: string;
    tokens: number;
    lastModified: Date;
    isActive: boolean;
    path: string;
}
/**
 * Extract project name from Claude Code directory structure
 */
export declare function extractProjectName({ projectDir }: {
    projectDir: string;
}): string;
/**
 * Check if a session is currently active (modified in last 5 minutes)
 */
export declare function isSessionActive({ lastModified }: {
    lastModified: Date;
}): boolean;
/**
 * Centralized function to discover all Claude Code sessions
 * Uses secure file scanning from jsonl-utils
 */
export declare function discoverAllSessions(): Promise<Session[]>;
/**
 * Get count of messages with usage data for a specific session
 * Uses secure file finding from jsonl-utils
 */
export declare function getAssistantMessageCount({ sessionId }: {
    sessionId: string;
}): number;
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