docs: @Override
  	public String getDriverClassNameForDatabase(DatabaseType databaseType) {
  		Assert.notNull(databaseType, "databaseType must not be null");
  		String candidate = this.getDriverClassNameMappings().get(databaseType);
  		Assert.notNull(candidate, String.format(
  				"No driver class name found for database :'%s'", databaseType.name()));
  		return candidate;
  	}