/**
 * JSONL Parser for Claude Code Session Logs
 *
 * Parses Claude Code JSONL log files to extract actual token usage.
 * JSONL files are stored at ~/.claude/projects/<encoded-path>/<sessionId>.jsonl
 */
/**
 * Parsed token usage from JSONL logs
 */
export interface ParsedTokenUsage {
    inputTokens: number;
    outputTokens: number;
    cacheCreationTokens: number;
    cacheReadTokens: number;
    costUSD: number;
    durationMs: number;
}
/**
 * Parse a single JSONL line for token usage
 */
export declare function parseJSONLLine(line: string): ParsedTokenUsage | null;
/**
 * Parse JSONL content and sum token usage across all assistant messages
 */
export declare function parseJSONLContent(content: string): ParsedTokenUsage;
/**
 * Encode project path for Claude Code directory structure.
 * Claude encodes paths like: /Users/agent/myproject -> Users-agent-myproject
 */
export declare function encodeProjectPath(path: string): string;
/**
 * Parse token usage from a session's JSONL file.
 *
 * @param sessionId - The session ID used when running Claude Code
 * @param projectPath - The working directory used for the session
 * @returns Parsed token usage or null if file not found/parse error
 */
export declare function parseSessionTokens(sessionId: string, projectPath: string): Promise<ParsedTokenUsage | null>;
/**
 * Create a default (zero) token usage object
 */
export declare function createEmptyTokenUsage(): ParsedTokenUsage;
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