name : SequenceError.ts import { createErrorClass } from './createErrorClass'; export interface SequenceError extends Error {} export interface SequenceErrorCtor { /** * @deprecated Internal implementation detail. Do not construct error instances. * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269 */ new (message: string): SequenceError; } /** * An error thrown when something is wrong with the sequence of * values arriving on the observable. * * @see {@link operators/single} */ export const SequenceError: SequenceErrorCtor = createErrorClass( (_super) => function SequenceErrorImpl(this: any, message: string) { _super(this); this.name = 'SequenceError'; this.message = message; } );