export declare const hasYarn: () => boolean;
export declare const hasProjectYarn: (cwd: string) => boolean;
export declare const hasGit: () => boolean;
export declare const hasProjectGit: (cwd: string) => boolean | undefined;
export declare const hasPnpmVersionOrLater: (version: string) => any;
export declare const hasPnpm3OrLater: () => any;
export declare const hasPnpm: () => boolean;
export declare const hasProjectPnpm: (cwd: string) => boolean;
export declare const hasProjectNpm: (cwd: string) => boolean | undefined;
export declare const isWindows: boolean;
export declare const isMacintosh: boolean;
export declare const isLinux: boolean;
export declare const getInstalledBrowsers: () => {
    chrome?: string;
    firefox?: string;
};
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