This case-sensitive code system http://hl7.org/fhir/codesystem-properties-mode defines the following codes:

Code	Display	Definition
not-present	Not Present	None of the properties and filters defined by the code system are included in the code system resource.
partial	Partial	A subset of the code system properties and filter definitions are included in the code system resource.
complete	Complete	All the property and filters definitions for the code system are included in the code system resource.