/**
 * @providesModule silk-sysutils
 * @flow
 */

type PropTypes = string | bool | number;
type ExecOutput = {
  code: number;
  stdout: string;
  stderr: string;
};

declare function processthrow(e: Error): void;
declare function exec(cmd: string, args: Array<string>): Promise<ExecOutput>;
declare function execRetry(cmd: string, args: Array<string>, retries: number, delayMs: number): Promise<ExecOutput>;
declare function getstrprop(prop: string, defaultValue?: string): string;
declare function getboolprop(prop: string, defaultValue?: boolean): boolean;
declare function getintprop(prop: string, defaultValue?: number): number;
declare function setprop(prop: string, value: PropTypes): ?Error;
declare function timeout(ms: number): Promise<void>;
declare function uptime(start?: number): number;
declare function randBetween(min: number, max: number): number;