presto-plugin-toolkit/src/main/java/io/prestosql/plugin/base/security/FileBasedAccessControl.java/FileBasedAccessControl/filterColumns
class FileBasedAccessControl:    @Override
    public List<ColumnMetadata> filterColumns(ConnectorSecurityContext identity, SchemaTableName tableName, List<ColumnMetadata> columns)
    {
        return columns;
    }