/**
 * Complexity Heatmap
 * Ranks files and functions by cyclomatic/cognitive complexity.
 */
export interface ComplexityEntry {
    file: string;
    symbol?: string;
    line?: number;
    metrics: {
        cyclomatic: number;
        cognitive: number;
        nesting: number;
        loc: number;
        params?: number;
    };
    score: number;
    grade: 'A' | 'B' | 'C' | 'D' | 'F';
}
export interface HeatmapResult {
    hotspots: ComplexityEntry[];
    fileScores: {
        file: string;
        score: number;
        grade: string;
        loc: number;
    }[];
    summary: {
        totalFiles: number;
        averageScore: number;
        criticalCount: number;
        healthyCount: number;
    };
}
/**
 * Generate a complexity heatmap for source files and functions.
 * @param cwd - The working directory to scan.
 * @param options - Configuration options.
 * @param options.directory - The directory to analyze.
 * @param options.fileGlob - Glob pattern for files to analyze.
 * @param options.top - Number of top results to return.
 * @param options.granularity - Analysis granularity level.
 * @returns The heatmap result with hotspots and file scores.
 */
export declare function generateHeatmap(cwd: string, options?: {
    directory?: string;
    fileGlob?: string;
    top?: number;
    granularity?: 'file' | 'function';
}): Promise<HeatmapResult>;
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