| AddGenericMetadata(HeifImageHandle, String, Byte) | Adds generic meta-data to the image. |
| AddGenericMetadata(HeifImageHandle, String, ReadOnlySpanByte) | Adds generic meta-data to the image. |
| AddGenericMetadata(HeifImageHandle, String, String, Byte) | Adds generic meta-data to the image. |
| AddGenericMetadata(HeifImageHandle, String, String, ReadOnlySpanByte) | Adds generic meta-data to the image. |