OptionalmatchesETagValid if matching any of the given ETags.
Checks validity based on the given metadata.
Optionalmetadata: RepresentationMetadataMetadata of the representation. Undefined if the resource does not exist.
Optionalstrict: 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.
OptionalmodifiedValid if modified since the given date.
OptionalnotValid if not matching any of the given ETags.
OptionalunmodifiedValid if not modified since the given date.
The conditions of an HTTP conditional request.