- export interface EmptyError extends Error {
 
- }
 
- export interface EmptyErrorCtor {
 
-     new (): EmptyError;
 
- }
 
- /**
 
-  * An error thrown when an Observable or a sequence was queried but has no
 
-  * elements.
 
-  *
 
-  * @see {@link first}
 
-  * @see {@link last}
 
-  * @see {@link single}
 
-  *
 
-  * @class EmptyError
 
-  */
 
- export declare const EmptyError: EmptyErrorCtor;
 
 
  |