interface Ilayer {
    [extName: string]: {
        path: string;
    };
}
export declare function formatLayers(...multiLayers: Ilayer[]): {
    npm: {};
    oss: {};
};
export declare function commonPrefix(arr: string[]): string;
export declare const uselessFilesMatch: string[];
export declare const removeUselessFiles: (target: string) => Promise<void>;
export declare const analysisDecorator: (cwd: string, spec?: any, core?: any) => Promise<{
    funcSpec: any;
    applicationContext: any;
}>;
interface ModInfo {
    name: string;
    version: string;
}
export declare const findModuleFromNodeModules: (moduleInfoList: ModInfo[], baseNodeModuleDir: string, fromNodeModulesPath: string, moduleMap?: {
    [modName: string]: {
        version: string;
        path: string;
    };
}) => Promise<{
    [modName: string]: {
        version: string;
        path: string;
    };
}>;
export declare const copyFromNodeModules: (moduleInfoList: ModInfo[], fromNodeModulesPath: string, targetNodeModulesPath: string) => Promise<string[]>;
export {};
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