/**
 * Various javascript 'language' extensions. These are functions which appear to be reused across projects, tests, libs
 */
export declare const hashCode: (s: string) => number;
export declare const isInBrowser: boolean;
export declare const isInNode: boolean;
export declare const isBlank: (value?: string | undefined) => boolean;
/**
 * Return an id that is only unique for the current browser session (resets across reloads)
 */
export declare const newLocalId: () => string;
/**
 * Return a promise that resolves in the given ms
 * @param ms
 */
export declare function delayMs(ms: number): Promise<unknown>;
export declare function isFunction(obj: any): obj is Function;
export declare function isString(obj: any): obj is string;
export declare function isStringArray(obj: any): obj is string[];
export declare function isArrayOf<T>(obj: any, typeOf: Function): obj is T[];
export declare function isArray<T>(obj: any): obj is T[];
export declare function isNumber(obj: any): obj is Number;
/**
 * Like partial properties but at least property must be set
 */
export declare type AtLeastOneOf<T, U = {
    [K in keyof T]: Pick<T, K>;
}> = Partial<T> & U[keyof U];