public Set<Integer> getPermissions() {
    return permissions;
  }
{@link AuthorTreePlan} Constructor.

@param authorType author type
@param userName user name
@param roleName role name
@param password password
@param permissions permissions
@param grantOpt with grant option, only grant statement can set grantOpt = true
@param nodeNameList node name in Path structure
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/consensus/request/write/auth/AuthorTreePlan.java