deletedFieldsRepository example

$revision_table = $table_mapping->getDedicatedRevisionTableName($storage_definition);
        $revision_new_table = $table_mapping->getDedicatedRevisionTableName($storage_definition, TRUE);
        $this->database->schema()->renameTable($revision_table, $revision_new_table);
      }
    }
    else {
      // Move the field data from the shared table to a dedicated one in order       // to allow it to be purged like any other field.       $shared_table_field_columns = $table_mapping->getColumnNames($storage_definition->getName());

      // Refresh the table mapping to use the deleted storage definition.       $deleted_storage_definition = $this->deletedFieldsRepository()->getFieldStorageDefinitions()[$storage_definition->getUniqueStorageIdentifier()];
      $table_mapping = $this->getTableMapping($this->entityType, [$deleted_storage_definition]);

      $dedicated_table_field_schema = $this->getDedicatedTableSchema($deleted_storage_definition);
      $dedicated_table_field_columns = $table_mapping->getColumnNames($deleted_storage_definition->getName());

      $dedicated_table_name = $table_mapping->getDedicatedDataTableName($deleted_storage_definition, TRUE);
      $dedicated_table_name_mapping[$table_mapping->getDedicatedDataTableName($deleted_storage_definition)] = $dedicated_table_name;
      if ($this->entityType->isRevisionable()) {
        $dedicated_revision_table_name = $table_mapping->getDedicatedRevisionTableName($deleted_storage_definition, TRUE);
        $dedicated_table_name_mapping[$table_mapping->getDedicatedRevisionTableName($deleted_storage_definition)] = $dedicated_revision_table_name;
      }