code: @GET
      public Map<String, MigrationInfo[]> listInfo() {
          Map<String, MigrationInfo[]> infoMap = Maps.newLinkedHashMap();
          for (String dbName : DataSourceManager.getDataSourceNames()) {
              Flyway flyway = locator.getService(Flyway.class, dbName);
              infoMap.put(dbName, flyway.info().all());
          }
          return infoMap;
      }
docs: <p>listInfo.</p>
  
  @return a {@link java.util.Map} object.