Method: SAVE_SHARE
Method: SAVE_DRAFT
Method: SHARE
Method: PUSH_RECIPIENTS
Method: ADD_ITEM
Method: ADD_RECIPIENTS
Method: ON_SEARCH_DELETED
Method: CHECK
Method: REMOVE_RECIPIENT
Method: REMOVE_ITEM
Method: CHECK_ITEM_EXISTS
Method: SET_MESSAGE
Method: ADD_RECIPIENT
Method: GET_ITEMS