/**
 * Tool Metrics Helper
 *
 * Utilities for tracking tool execution metrics.
 */
export interface ToolMetricsContext {
    toolName: string;
    contextId?: string;
    startTime: number;
}
/**
 * Create a new tool metrics context
 */
export declare function createToolContext(toolName: string, contextId?: string): ToolMetricsContext;
/**
 * Record tool completion
 */
export declare function recordToolCompletion(context: ToolMetricsContext, success: boolean, error?: string, metadata?: Record<string, unknown>): void;
/**
 * Measure tool execution with automatic recording
 */
export declare function measureTool<T>(toolName: string, contextId: string | undefined, execute: () => Promise<T>): Promise<T>;
/**
 * Measure tool execution with custom metadata
 */
export declare function measureToolWithMetadata<T>(toolName: string, contextId: string | undefined, execute: () => Promise<T>, extractMetadata: (result: T) => Record<string, unknown>): Promise<T>;
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