import type { ToolResult, TokenUsageInput } from '../types/index.js';
import { TokenOptimizer } from '../engine/token-optimizer/index.js';
/**
 * Get or create the global optimizer instance.
 */
export declare function getOptimizer(): TokenOptimizer;
/**
 * Reset the optimizer (for testing).
 */
export declare function resetOptimizer(): void;
/**
 * Handle the token_usage tool call.
 */
export declare function handleTokenUsage(args: TokenUsageInput): Promise<ToolResult>;
//# sourceMappingURL=token-usage-handler.d.ts.map