 			data: JSON.stringify(attachment)
 
 		if options.abort and options.subject
-			@subjectToJqXHRMap[options.subject]?.abort()
-			@subjectToJqXHRMap[options.subject] = xhr
+			@_subjectToJqXHRMap[options.subject]?.abort()
+			@_subjectToJqXHRMap[options.subject] = xhr
 
 		return xhr
 

	# Sends a request to remove the gift registry for the current OrderForm.
	# @param expectedOrderFormSections [Array] (default = *all*) an array of attachment names.
	# @return [Promise] a promise for the updated OrderForm.
	removeGiftRegistry: (expectedFormSections = @allOrderFormSections) =>
		checkoutRequest = { expectedOrderFormSections: expectedFormSections }
		@ajax
			url: @_getRemoveGiftRegistryURL()

				'giftRegistryData'
				'ratesAndBenefitsData'
			]
		@version = 'VERSION'

	# Sends an idempotent request to retrieve the current OrderForm.
	# @param expectedOrderFormSections [Array] an array of attachment names.
