/**
 * Common types for tool results
 */
export type ToolResult = {
    success: true;
    data: string | string[];
    structuredContent?: Record<string, unknown>;
    error?: undefined;
} | {
    success: false;
    error: string;
    data?: undefined;
    structuredContent?: undefined;
};
/**
 * Convert a ToolResult to MCP tool response format.
 * When data is a string[], each element becomes a separate content block.
 * When structuredContent is provided, it's included for clients that support outputSchema.
 */
export declare function toMcpResponse(result: ToolResult): {
    content: {
        type: "text";
        text: string;
    }[];
    structuredContent?: Record<string, unknown>;
    isError?: boolean;
};