import type { CodeBlock } from '../ast/parser.js';
export interface CodeHealthReport {
    healthScore: number;
    averageComplexity: number;
    highComplexityBlocks: CodeBlock[];
    duplicateBlocks: Array<{
        blockA: CodeBlock;
        blockB: CodeBlock;
    }>;
}
export declare class CodeHealthMetrics {
    /**
     * Calculates the overall code health score based on AST blocks.
     */
    static calculateHealth(blocks: CodeBlock[]): CodeHealthReport;
}
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