/**
 * Shared Error Response Fields for Output Schemas
 *
 * Defines the ErrorFieldsMixin Zod schema fragment that gets extended into
 * every output schema. This ensures formatHandlerError() responses pass
 * output schema validation (MCP SDK enforces additionalProperties: false).
 *
 * SSoT location: src/utils/errors/error-response-fields.ts
 * All output schemas should import from here.
 */
import { z } from 'zod';
/**
 * Standard error response fields returned by formatHandlerError().
 * Extend this into every output schema:
 *   export const MyOutputSchema = z.object({ ... }).extend(ErrorFieldsMixin.shape);
 */
export declare const ErrorFieldsMixin: z.ZodObject<{
    error: z.ZodOptional<z.ZodString>;
    code: z.ZodOptional<z.ZodString>;
    category: z.ZodOptional<z.ZodString>;
    recoverable: z.ZodOptional<z.ZodBoolean>;
    suggestion: z.ZodOptional<z.ZodString>;
    aggregated_errors: z.ZodOptional<z.ZodArray<z.ZodObject<{
        message: z.ZodString;
    }, z.core.$catchall<z.ZodUnknown>>>>;
    details: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
}, z.core.$strip>;
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