code: func (c *CredentialValue) String() string {
  	if c.cvtype == unsetCV {
  		panic("CredentialValue has been unset")
  	}
  
  	if c.cvtype == undecryptedCV {
  		panic("CredentialValue was not decrypted")
  	}
  
  	return c.value
  }
docs: // String returns the string representation of this credential. It panics
  // if the credential was deleted.