import { CodeMetrics, FileChange } from '../types.js';
export declare class CodeMetricsEngine {
    private projectDir;
    private excludePaths;
    private complexityThreshold;
    constructor(projectDir: string, opts?: {
        excludePaths?: string[];
        complexityThreshold?: number;
    });
    compute(changes?: FileChange[]): CodeMetrics;
    private walkDir;
    private estimateComplexity;
    private countFunctions;
    formatConsole(metrics: CodeMetrics): string;
    formatJSON(metrics: CodeMetrics): string;
    toMarkdown(metrics: CodeMetrics): string;
}
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