import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
import { GrammarFormat, GrammarFormat$Outbound } from "./grammarformat.js";
import { TextFormat, TextFormat$Outbound } from "./textformat.js";
export type CustomToolFormat = TextFormat | GrammarFormat;
/** @internal */
export declare const CustomToolFormat$inboundSchema: z.ZodType<CustomToolFormat, z.ZodTypeDef, unknown>;
/** @internal */
export type CustomToolFormat$Outbound = TextFormat$Outbound | GrammarFormat$Outbound;
/** @internal */
export declare const CustomToolFormat$outboundSchema: z.ZodType<CustomToolFormat$Outbound, z.ZodTypeDef, CustomToolFormat>;
export declare function customToolFormatToJSON(customToolFormat: CustomToolFormat): string;
export declare function customToolFormatFromJSON(jsonString: string): SafeParseResult<CustomToolFormat, SDKValidationError>;
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