export interface StalePRInput {
    prId: string | number;
    title: string;
    author: string;
    createdAt: string | number | Date;
    updatedAt: string | number | Date;
    lastCommentAt?: string | number | Date;
    isDraft?: boolean;
    reviewStatus?: 'APPROVED' | 'CHANGES_REQUESTED' | 'PENDING' | 'NONE';
}
export interface StalePRResult {
    prId: string | number;
    isStale: boolean;
    stalenessScore: number;
    daysInactive: number;
    suggestedAction: 'none' | 'ping_author' | 'ping_reviewers' | 'close' | 'merge';
    reason: string;
}
export interface StaleConfig {
    staleThresholdDays: number;
    closeThresholdDays: number;
}
export declare class StalePRDetector {
    private config;
    constructor(config?: Partial<StaleConfig>);
    evaluate(prs: StalePRInput[]): StalePRResult[];
    private evaluateSingle;
}
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