Reads an XMP packet; never throws.
public static bool TryParse(ReadOnlySpan<byte> data, [NotNullWhen(true)] scoped out XmpPacket? packet)
The packet's bytes, such as the decoded data of a metadata stream.
The packet, or null when the bytes are not one.
true when the bytes hold a readable rdf:RDF element.ISO 16684-1 §7. See the type's remarks for what is accepted.