/**
 * Operation-as-tool: creates a ToolHandler that executes a ContractSpec operation.
 *
 * One contract → REST, GraphQL, MCP, agent tool. When an agent tool has
 * operationRef, this module provides the handler that delegates to
 * OperationSpecRegistry.execute.
 */
import type { OperationRef } from '@contractspec/lib.contracts-spec/agent';
import type { OperationSpecRegistry } from '@contractspec/lib.contracts-spec/operations/registry';
import type { ToolHandler } from '../types';
/**
 * Create a ToolHandler that executes a ContractSpec operation.
 *
 * @param registry - OperationSpecRegistry with the operation registered and handler bound
 * @param operationRef - Reference to the operation (key, optional version)
 * @returns ToolHandler that delegates to registry.execute
 *
 * @example
 * ```typescript
 * const handler = createOperationToolHandler(opsRegistry, { key: 'knowledge.search', version: '1.0.0' });
 * toolHandlers.set('search_knowledge', handler);
 * ```
 */
export declare function createOperationToolHandler(registry: OperationSpecRegistry, operationRef: OperationRef): ToolHandler;