import { BaseGuard } from './base';
import { GuardResult } from '../types';
export declare class RelevanceGuard extends BaseGuard {
    private minLength;
    private maxLength;
    private minWords;
    private maxWords;
    private commonFillerWords;
    constructor(enabled?: boolean, options?: {
        minLength?: number;
        maxLength?: number;
        minWords?: number;
        maxWords?: number;
    });
    private calculateRelevanceScore;
    private findRepeatedPhrases;
    validate(text: string): Promise<GuardResult>;
}