import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
/**
 * Custom tool call output item: The output payload returned by a custom tool call.
 */
export type CustomToolCallOutput = {
    type: "custom_tool_call_output";
    callId: string;
    output: string;
    id?: string | undefined;
};
/** @internal */
export declare const CustomToolCallOutput$inboundSchema: z.ZodType<CustomToolCallOutput, z.ZodTypeDef, unknown>;
/** @internal */
export type CustomToolCallOutput$Outbound = {
    type: "custom_tool_call_output";
    call_id: string;
    output: string;
    id?: string | undefined;
};
/** @internal */
export declare const CustomToolCallOutput$outboundSchema: z.ZodType<CustomToolCallOutput$Outbound, z.ZodTypeDef, CustomToolCallOutput>;
export declare function customToolCallOutputToJSON(customToolCallOutput: CustomToolCallOutput): string;
export declare function customToolCallOutputFromJSON(jsonString: string): SafeParseResult<CustomToolCallOutput, SDKValidationError>;
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