text: //@flow
  
  export const GET_SOURCES_REQUEST = 'GET_SOURCES_REQUEST';
  export const GET_SOURCES_FAILURE = 'GET_SOURCES_FAILURE';
  export const GET_SOURCES_SUCCESS = 'GET_SOURCES_SUCCESS';
  export const TRYING_DELETE = 'TRYING_DELETE';
  export const SEARCH_SOURCE = 'SEARCH_SOURCE';
  export const TOGGLE_SEARCH = 'TOGGLE_SEARCH';
  export const SORT_SOURCES_BY_DATE = 'SORT_SOURCES_BY_DATE';
  export const SORT_SOURCES_BY_NAME = 'SORT_SOURCES_BY_NAME';
  export const SHOW_DEMO = 'SHOW_DEMO';
  export const HIDE_DEMO = 'HIDE_DEMO';
  