import type { Truncation } from "./output.js";
export interface ToolOk<T> {
    ok: true;
    data: T;
    warnings?: string[];
    truncated?: Truncation[];
}
export interface ToolError {
    ok: false;
    error: {
        code: string;
        message: string;
        details?: unknown;
        retryable?: boolean;
    };
}
type TextContent = {
    type: "text";
    text: string;
};
export type ToolResult = {
    content: TextContent[];
    isError?: true;
};
export declare function ok<T>(data: T, options?: {
    warnings?: string[];
    truncated?: Truncation[];
}): ToolResult;
export declare function fail(code: string, message: string, options?: {
    details?: unknown;
    retryable?: boolean;
}): ToolResult;
export declare function errorResult(error: unknown, code?: string): ToolResult;
export {};