export declare const isTimestamp: (x: number) => boolean; export declare const NETDATA_REGISTRY_SERVER = "https://registry.my-netdata.io"; export declare const MS_IN_SECOND = 1000; export declare const NODE_VIEW_DYGRAPH_TITLE_HEIGHT = 30; export declare const DEFAULT_DASHBOARD_DURATION: number; export declare const getIframeSrc: (cloudBaseURL: string, path: string) => string; export declare const utmUrlSuffix = "&utm_source=agent&utm_medium=web"; export declare const getInitialAfterFromWindow: () => number; export declare const SPACE_PANEL_STATE = "space-panel-state"; export declare const useNewKeysOnlyIfDifferent: (keys: (keyof T)[], obj1: T, obj2: T) => T; export declare type AnyFunction = (...args: T[]) => any; export declare type FunctionArguments = T extends (...args: infer R) => any ? R : never; export declare function callAll(...fns: (T | undefined)[]): (arg: FunctionArguments[0]) => void;