code: static String findStorageProperty( Map<String,String> targetProperties, String storageId, String propertyPrefix ) {
  
  		String property = propertyPrefix + storageId;
  		String value = targetProperties.get( property );
  		return Utils.isEmptyOrWhitespaces( value ) ? DEFAULTS.get( propertyPrefix ) : value.trim();
  	}
docs: Finds a storage property for a given storage ID.
  @param targetProperties
  @param storageId
  @param propertyPrefix one of the constants defined in this class
  @return the property's value, or the default value otherwise, if one exists