<s>[INST] check if the specified node exists . sets no watches . concode_field_sep char ZNODE_PATH_SEPARATOR concode_elem_sep Logger LOG concode_field_sep void createSetData concode_elem_sep String getParent concode_elem_sep boolean setData concode_elem_sep List<String> listChildrenNoWatch concode_elem_sep String joinZNode concode_elem_sep ArrayList<ACL> createACL concode_elem_sep void deleteNodeRecursively concode_elem_sep byte[] getData concode_elem_sep void createWithParents concode_elem_sep void createWithParents [/INST] int function ( ZooKeeper arg0 , String arg1 ) { try { Stat loc0 = arg0 . exists ( arg1 , null ) ; return loc0 != null ? loc0 . getVersion ( ) : - 1 ; } catch ( KeeperException loc0 ) { return - 1 ; } catch ( InterruptedException loc0 ) { Thread . currentThread ( ) . interrupt ( ) ; return - 1 ; } </s>