import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
/**
 * History tool definition: Enables the internal conversation-history retrieval tool for semantic lookup of past interactions.
 */
export type HistoryToolDefinition = {
    type: "history";
};
/** @internal */
export declare const HistoryToolDefinition$inboundSchema: z.ZodType<HistoryToolDefinition, z.ZodTypeDef, unknown>;
/** @internal */
export type HistoryToolDefinition$Outbound = {
    type: "history";
};
/** @internal */
export declare const HistoryToolDefinition$outboundSchema: z.ZodType<HistoryToolDefinition$Outbound, z.ZodTypeDef, HistoryToolDefinition>;
export declare function historyToolDefinitionToJSON(historyToolDefinition: HistoryToolDefinition): string;
export declare function historyToolDefinitionFromJSON(jsonString: string): SafeParseResult<HistoryToolDefinition, SDKValidationError>;
//# sourceMappingURL=historytooldefinition.d.ts.map