module Rx { export module internals { export interface EmptyError extends Error { message: string; } export interface EmptyErrorStatic { new (): EmptyError; } export interface ObjectDisposedError extends Error { message: string; } export interface ObjectDisposedErrorStatic { new (): ObjectDisposedError; } export interface ArgumentOutOfRangeError extends Error { message: string; } export interface ArgumentOutOfRangeErrorStatic { new (): ArgumentOutOfRangeError; } export interface NotSupportedError extends Error { message: string; } export interface NotSupportedErrorStatic { new (): NotSupportedError; } export interface NotImplementedError extends Error { message: string; } export interface NotImplementedErrorStatic { new (): NotImplementedError; } } export module helpers { export var notImplemented: () => internals.NotImplementedError; export var notSupported: () => internals.NotSupportedError; } }