import type { DomainGrade } from './maintenance.types.js';
export declare class QualityGraderService {
    private readonly grades;
    constructor(initialGrades: DomainGrade[]);
    getGrade(domain: string): DomainGrade | undefined;
    getGrades(): DomainGrade[];
    updateGrade(domain: string, score: number): void;
}
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