text: --liquibase formatted sql
  --changeset platform:create-types
  CREATE TYPE type_operation AS ENUM ('S','I','U','D');
  CREATE TYPE type_dml AS ENUM ('I','U','D');
  CREATE TYPE refs AS(
               ref_table TEXT
              ,ref_col TEXT
              ,ref_id TEXT
              ,lookup_col TEXT
              ,list_delim CHAR(1)
              );
  CREATE TYPE type_classification_enum AS ENUM ('private', 'confidential');
  CREATE TYPE type_classification AS (
                  data_column_name TEXT,
                  data_classification type_classification_enum
              );
  CREATE TYPE type_access_role AS (
                  data_column_name TEXT,
                  access_role TEXT []
              );
  CREATE TYPE type_file as (
                  ceph_key text,
                  file_checksum text
              );