import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
/**
 * A tool invocation request from an agent. Contains the tool name, unique call ID, and arguments for the tool execution.
 */
export type ToolCallPart = {
    kind: "tool_call";
    toolName: string;
    toolCallId: string;
    arguments: {
        [k: string]: any;
    };
    thoughtSignature?: string | undefined;
    metadata?: {
        [k: string]: any;
    } | undefined;
};
/** @internal */
export declare const ToolCallPart$inboundSchema: z.ZodType<ToolCallPart, z.ZodTypeDef, unknown>;
export declare function toolCallPartFromJSON(jsonString: string): SafeParseResult<ToolCallPart, SDKValidationError>;
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