text: // theme
  
  export const SET_THEME = 'SET_THEME';
  
  // language
  
  export const SET_LANGUAGE = 'SET_LANGUAGE';
  
  // data
  
  export const SET_DATEPOINTER = 'SET_DATEPOINTER';
  export const SET_TIMESPAN = 'SET_TIMESPAN';
  
  export const SWITCH_TO_THE_NEXT_TIMESPAN = 'SWITCH_TO_THE_NEXT_TIMESPAN';
  export const SWITCH_TO_THE_PREVIOUS_TIMESPAN = 'SWITCH_TO_THE_PREVIOUS_TIMESPAN';
  
  export const FETCH = 'FETCH';