question: token expired concode_field_sep String currentToken concode_elem_sep Logger log concode_elem_sep int GCM_API_KEY concode_elem_sep String API_KEY_FILE concode_elem_sep PersistenceManagerFactory PMF concode_elem_sep String c2dmUrl concode_elem_sep String TOKEN_FILE concode_elem_sep String currentApiKey concode_elem_sep int C2DM_TOKEN concode_field_sep void updateToken concode_elem_sep String getToken concode_elem_sep String getGcmApiKey concode_elem_sep String getC2DMUrl concode_elem_sep C2DMConfig getDataMessagingConfig concode_elem_sep C2DMConfig getDataMessagingConfig
target: void function ( ) { currentToken = null ; }