export declare class CliSettings {
    readonly settings: any;
    constructor();
    get<T>(name: string): T;
    getCatch<T>(name: string): T | undefined;
}
export declare function parseBoolEnvVar(varName: string): boolean;
export declare function normalizeEnvVar(varName: string): void;
export declare function normalizeEnvVars(varNames?: string[]): void;
export declare function setOfflineModeEnvVars(): void;
export declare function pkgExec(modFunc: string, args: string[]): Promise<void>;
export interface CachedUsername {
    token: string;
    username: string;
}
export declare function getCachedUsername(): Promise<CachedUsername | undefined>;