/**
 * Type-Safe Tool Handler Utilities
 *
 * Provides type-safe wrappers for MCP tool handlers to eliminate
 * unsafe type assertions (as never) throughout the codebase.
 */
import { CallToolResult } from '@modelcontextprotocol/sdk/types.js';
import { ZodSchema } from 'zod';
/**
 * Creates a type-safe tool handler that validates input against a schema
 *
 * @param handler - The tool handler function with proper typing
 * @param schema - Zod schema for runtime validation (handles schemas with defaults)
 * @returns A wrapper function that safely handles unknown arguments
 *
 * @example
 * const safeHandler = createToolHandler(
 *   executeQueryGraphQL,
 *   queryGraphQLInputSchema
 * );
 * await safeHandler(unknownArgs);
 */
export declare function createToolHandler<TOutput, TInput = TOutput>(handler: (input: TOutput) => Promise<CallToolResult>, schema: ZodSchema<TOutput, any, TInput>): (args: unknown) => Promise<CallToolResult>;
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