import { z } from "zod";
export declare const OutputFieldSchema: z.ZodObject<{
    name: z.ZodString;
    type: z.ZodEnum<{
        boolean: "boolean";
        number: "number";
        string: "string";
        "string[]": "string[]";
    }>;
    description: z.ZodString;
    required: z.ZodBoolean;
}, z.core.$strip>;
export type OutputField = z.infer<typeof OutputFieldSchema>;
export declare const OUTPUT_FIELDS_MAX = 16;
export declare const duplicateOutputFieldNames: (fields: readonly Pick<OutputField, "name">[]) => string[];
export declare const OutputFieldsSchema: z.ZodArray<z.ZodObject<{
    name: z.ZodString;
    type: z.ZodEnum<{
        boolean: "boolean";
        number: "number";
        string: "string";
        "string[]": "string[]";
    }>;
    description: z.ZodString;
    required: z.ZodBoolean;
}, z.core.$strip>>;
export declare const fieldsValidator: (fields: readonly OutputField[]) => z.ZodType;
export declare const fieldsExample: (fields: readonly OutputField[]) => Record<string, unknown>;
export declare const describeFields: (fields: readonly OutputField[]) => string;
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