import { z } from 'zod';
import type { ToolRegistration, ToolResult, ToolResultContent, ZodShape } from './types.js';
export declare const toolOutputModeSchema: z.ZodEnum<["text", "data", "both"]>;
export type ToolOutputMode = z.infer<typeof toolOutputModeSchema>;
export declare const structuredToolOutputShape: {
    output: z.ZodEnum<["text", "data", "both"]>;
    rendered: z.ZodOptional<z.ZodString>;
    data: z.ZodRecord<z.ZodString, z.ZodUnknown>;
};
declare const toolOutputInputShape: {
    output: z.ZodOptional<z.ZodEnum<["text", "data", "both"]>>;
};
export declare function withOutputMode<Shape extends ZodShape>(inputShape: Shape): Shape & typeof toolOutputInputShape;
export declare function stripOutputMode(args: Record<string, unknown>): Record<string, unknown>;
export declare function buildStructuredToolResult(rendered: string, data: Record<string, unknown>, output?: ToolOutputMode, content?: ToolResultContent[]): ToolResult;
export declare function withStructuredToolOutput(tool: ToolRegistration): ToolRegistration;
export {};
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