text: """The errors of Epson integration."""
  from homeassistant import exceptions
  
  
  class CannotConnect(exceptions.HomeAssistantError):
      """Error to indicate we cannot connect."""
  
  
  class PoweredOff(exceptions.HomeAssistantError):
      """Error to indicate projector is off."""
  
  
  class PasswordInvaid(exceptions.HomeAssistantError):
      """Error to indicate projector authenticate is fail."""
  
  class AuthenticationRequired(exceptions.HomeAssistantError):
      """Error to indicate projector authenticate is unable."""