export declare const isPlainObject: (value: unknown) => value is Record<string, unknown>;
export declare const deepMerge: (base: Record<string, unknown>, override: Record<string, unknown>) => Record<string, unknown>;
export declare const readJsonFile: (filePath: string) => Record<string, unknown>;
export declare const findExistingDir: (candidates: string[]) => string | null;
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