import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
import { CustomToolFormat, CustomToolFormat$Outbound } from "./customtoolformat.js";
/**
 * Custom tool definition: Defines a custom tool by name, with optional description and optional output format constraints.
 */
export type CustomToolDefinition = {
    type: "custom";
    name: string;
    description?: string | undefined;
    format?: CustomToolFormat | undefined;
};
/** @internal */
export declare const CustomToolDefinition$inboundSchema: z.ZodType<CustomToolDefinition, z.ZodTypeDef, unknown>;
/** @internal */
export type CustomToolDefinition$Outbound = {
    type: "custom";
    name: string;
    description?: string | undefined;
    format?: CustomToolFormat$Outbound | undefined;
};
/** @internal */
export declare const CustomToolDefinition$outboundSchema: z.ZodType<CustomToolDefinition$Outbound, z.ZodTypeDef, CustomToolDefinition>;
export declare function customToolDefinitionToJSON(customToolDefinition: CustomToolDefinition): string;
export declare function customToolDefinitionFromJSON(jsonString: string): SafeParseResult<CustomToolDefinition, SDKValidationError>;
//# sourceMappingURL=customtooldefinition.d.ts.map