export type ToolResponse = {
    success: true;
    [key: string]: unknown;
} | {
    success: false;
    error: {
        code: string;
        message: string;
        hint?: string;
    };
    [key: string]: unknown;
};
export declare function ok(extra?: Record<string, unknown>): ToolResponse;
export declare function err(code: string, message: string, hint?: string): ToolResponse;
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