export interface BlameLineRisk {
    line: number;
    author: string;
    age: number;
    changeCount: number;
    riskScore: number;
}
export interface GitBlameHeatResult {
    file: string;
    totalLines: number;
    riskScore: number;
    hotspots: BlameLineRisk[];
    topAuthors: Array<{
        author: string;
        lines: number;
        risk: number;
    }>;
}
export declare function analyzeBlameHeat(filePath: string, projectRoot: string): GitBlameHeatResult;
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