import { Page } from 'playwright';
export interface RankedSelector {
    selector: string;
    count: number;
    samples: string[];
    confidence: number;
}
export declare class SelectorRanker {
    private page;
    constructor(page: Page);
    rankSelectors(candidates: string[], sampleSize?: number): Promise<RankedSelector[]>;
    private calculateConfidence;
    testSelector(selector: string): Promise<{
        valid: boolean;
        count: number;
        sample?: string;
        error?: string;
    }>;
    findAlternatives(failedSelector: string, limit?: number): Promise<string[]>;
    private extractSelectorParts;
}