code: public static String createNameForHiddenCapacityImplementationAttribute(String id) {
  		return PREFIX_CAPACITY_IMPLEMENTATION + fixHiddenMember(id.toUpperCase()).replace(".", //$NON-NLS-1$
  				HIDDEN_MEMBER_REPLACEMENT_CHARACTER);
  	}
docs: Create the name of the hidden field that is containing a capacity implementation.
  
  @param id the id of the capacity.
  @return the field name.