import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
export type ResponseCustomToolCallInputDeltaEvent = {
    type: "response.custom_tool_call_input.delta";
    sequenceNumber: number;
    itemId: string;
    outputIndex: number;
    delta: string;
};
/** @internal */
export declare const ResponseCustomToolCallInputDeltaEvent$inboundSchema: z.ZodType<ResponseCustomToolCallInputDeltaEvent, z.ZodTypeDef, unknown>;
/** @internal */
export type ResponseCustomToolCallInputDeltaEvent$Outbound = {
    type: "response.custom_tool_call_input.delta";
    sequence_number: number;
    item_id: string;
    output_index: number;
    delta: string;
};
/** @internal */
export declare const ResponseCustomToolCallInputDeltaEvent$outboundSchema: z.ZodType<ResponseCustomToolCallInputDeltaEvent$Outbound, z.ZodTypeDef, ResponseCustomToolCallInputDeltaEvent>;
export declare function responseCustomToolCallInputDeltaEventToJSON(responseCustomToolCallInputDeltaEvent: ResponseCustomToolCallInputDeltaEvent): string;
export declare function responseCustomToolCallInputDeltaEventFromJSON(jsonString: string): SafeParseResult<ResponseCustomToolCallInputDeltaEvent, SDKValidationError>;
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