/**
 * Sentori Runtime ToolCallInterceptor
 * Wraps a tool object with a Proxy to emit events before/after each tool call.
 */
import type { RuntimeEvent } from './event-schema';
export declare class ToolCallInterceptor {
    private emitter;
    constructor();
    /**
     * Wrap a tools object so every property function is intercepted.
     * Returns a Proxy of the same type T.
     */
    wrap<T extends Record<string, (...args: unknown[]) => unknown>>(tools: T): T;
    on(event: 'tool_call_start' | 'tool_call_end' | 'tool_call_error', handler: (e: RuntimeEvent) => void): void;
    off(event: string, handler: (...args: unknown[]) => void): void;
}
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