Optional matchesETagValid if matching any of the given ETags.
Checks validity based on the given metadata.
Optional metadata: RepresentationMetadataMetadata of the representation. Undefined if the resource does not exist.
Optional strict: booleanHow to compare the ETag related headers. If true, the comparison will happen on representation level. If false, the comparison happens on resource level, ignoring the content-type.
Optional modifiedValid if modified since the given date.
Optional notValid if not matching any of the given ETags.
Optional unmodifiedValid if not modified since the given date.
The conditions of an HTTP conditional request.