/**
 * Compute a cohesion score 0-1 via LCOM-lite.
 * For each shared variable, count how many functions reference it.
 * cohesion = avg(references / functionCount), clamped to [0,1].
 * A score of 1 means all functions share all variables (highly cohesive).
 */
export declare function computeCohesion(filePath: string): number;
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