export declare class Utils {
    static exec(cmd: string, verbose?: boolean, wd?: string): Promise<{}>;
    static get_zones_in_region(region: string): string[];
    static is_array(v: any): boolean;
    static is_bool(v: any): boolean;
    static is_defined(v: any): boolean;
    static is_function(v: any): boolean;
    static is_integer(v: any): boolean;
    static is_null(v: any): boolean;
    static is_number(v: any): boolean;
    static is_object(v: any): boolean;
    static is_string(v: any): boolean;
    static is_undefined(v: any): boolean;
    static is_valid_image_name(v: any): boolean;
}
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