import { exec, spawn } from './shell';
import { readFile, readJsonFile, readDir, readJsonDir, getSubdirNames } from './file';
export declare namespace NodeUtils {
    type Shell = {
        exec: typeof exec;
        spawn: typeof spawn;
    };
    type FileSystem = {
        readFile: typeof readFile;
        readJsonFile: typeof readJsonFile;
        readDir: typeof readDir;
        readJsonDir: typeof readJsonDir;
        getSubdirNames: typeof getSubdirNames;
    };
}
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