code: public void beginResetPassword(String userName, ResetPasswordPayload resetPasswordPayload) {
          beginResetPasswordWithServiceResponseAsync(userName, resetPasswordPayload).toBlocking().single().body();
      }
docs: Resets the user password on an environment This operation can take a while to complete.
  
  @param userName The name of the user.
  @param resetPasswordPayload Represents the payload for resetting passwords.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent