import { ResponseFormatter } from "../../../utils/responseFormatter.js";
import { UnifiedSearchResponse } from "./types.js";
/**
 * Formatter for unified search responses
 */
export declare class UnifiedSearchFormatter implements ResponseFormatter<UnifiedSearchResponse> {
    format(responseData: UnifiedSearchResponse): string;
    /**
     * Capitalize the first letter of a string
     */
    private capitalizeFirstLetter;
    /**
     * Get a visual indicator for the relevance score
     */
    private getRelevanceIndicator;
    /**
     * Truncate text to a specified length with ellipsis
     */
    private truncateText;
}
/**
 * Create a formatted, human-readable response for the atlas_unified_search tool
 *
 * @param data The search response data
 * @param isError Whether this response represents an error condition
 * @returns Formatted MCP tool response with appropriate structure
 */
export declare function formatUnifiedSearchResponse(data: UnifiedSearchResponse, isError?: boolean): any;