text: export const SIGN_UP_START = '/SIGN_UP_START';
  export const SIGN_UP_SUCCESS = '/SIGN_UP_SUCCESS';
  export const SIGN_UP_ERROR = '/SIGN_UP_ERROR';
  
  
  export const SIGN_IN_START = '/SIGN_IN_START';
  export const SIGN_IN_SUCCESS = '/SIGN_IN_SUCCESS';
  export const SIGN_IN_ERROR = '/SIGN_IN_ERROR';
  
  
  export const SIGN_OUT_START = '/SIGN_OUT_START';
  export const SIGN_OUT_SUCCESS = '/SIGN_OUT_SUCCESS';
  