/**
 * NaturalLanguageQuery Tool - 85%+ Token Reduction
 */
import type { CacheEngine } from '../../core/cache-engine.js';
import type { TokenCounter } from '../../core/token-counter.js';
import type { MetricsCollector } from '../../core/metrics.js';
export interface NaturalLanguageQueryOptions {
    operation: 'parse' | 'translate-sql' | 'translate-mongodb' | 'translate-graphql' | 'optimize' | 'validate' | 'suggest-query' | 'explain-results';
    query?: string;
    data?: any;
    useCache?: boolean;
}
export interface NaturalLanguageQueryResult {
    success: boolean;
    operation: string;
    data: Record<string, any>;
    metadata: {
        tokensUsed: number;
        tokensSaved: number;
        cacheHit: boolean;
        processingTime: number;
        confidence: number;
    };
}
export declare class NaturalLanguageQuery {
    private cache;
    private tokenCounter;
    private metricsCollector;
    constructor(cache: CacheEngine, tokenCounter: TokenCounter, metricsCollector: MetricsCollector);
    run(options: NaturalLanguageQueryOptions): Promise<NaturalLanguageQueryResult>;
}
export declare const NATURALLANGUAGEQUERYTOOL: {
    readonly name: "natural-language-query";
    readonly description: "Natural language query translation and optimization";
    readonly inputSchema: {
        readonly type: "object";
        readonly properties: {
            readonly operation: {
                readonly type: "string";
                readonly enum: readonly ["parse", "translate-sql", "translate-mongodb", "translate-graphql", "optimize", "validate", "suggest-query", "explain-results"];
                readonly description: "Operation to perform";
            };
            readonly query: {
                readonly type: "string";
                readonly description: "Query or input data";
            };
            readonly data: {
                readonly type: "object";
                readonly description: "Additional data";
            };
            readonly useCache: {
                readonly type: "boolean";
                readonly default: true;
                readonly description: "Enable caching";
            };
        };
        readonly required: readonly ["operation"];
    };
};
export declare function runNaturalLanguageQuery(options: NaturalLanguageQueryOptions): Promise<NaturalLanguageQueryResult>;
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