/** Count the number of import statements in a file (fan-out). */
export declare function computeFanOut(filePath: string): number;
/** Count how many files in the project import a given file (fan-in). */
export declare function computeFanIn(filePath: string, allFilePaths: string[]): number;
/** Compute total coupling score for a file (fan-in + fan-out). */
export declare function computeCoupling(filePath: string, allFilePaths: string[]): number;
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