"smpteSt2086" | "smpteSt2094-10" | "smpteSt2094-40"
If present, HdrMetadataType describes the capability to interpret HDR metadata of the specified type.
The VideoConfiguration may contain one of the following types:
- smpteSt2086: represents the static metadata type defined by [SMPTE-ST-2086].
- smpteSt2094-10: represents the dynamic metadata type defined by [SMPTE-ST-2094].
- smpteSt2094-40: represents the dynamic metadata type defined by [SMPTE-ST-2094].

