import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
export type PlanStep = {
    type?: "plan" | undefined;
    think: string;
    currentQuestion: string;
    errored?: boolean | undefined;
    /**
     * The questions that need to be answered to answer the original question.
     */
    questionsToAnswer?: Array<string> | undefined;
};
/** @internal */
export declare const PlanStep$inboundSchema: z.ZodType<PlanStep, z.ZodTypeDef, unknown>;
/** @internal */
export type PlanStep$Outbound = {
    type: "plan";
    think: string;
    current_question: string;
    errored: boolean;
    questions_to_answer?: Array<string> | undefined;
};
/** @internal */
export declare const PlanStep$outboundSchema: z.ZodType<PlanStep$Outbound, z.ZodTypeDef, PlanStep>;
export declare function planStepToJSON(planStep: PlanStep): string;
export declare function planStepFromJSON(jsonString: string): SafeParseResult<PlanStep, SDKValidationError>;
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