MetadataValue
An instance of a metadata value.
This can be one of the following types:
numberfor typeSCALARand numeric component types except forINT64orUINT64bigintfor typeSCALARand component typeINT64orUINT64stringfor typeSTRINGorENUMbooleanfor typeBOOLEANCartesian2for typeVEC2Cartesian3for typeVEC3Cartesian4for typeVEC4Matrix2for typeMAT2Matrix3for typeMAT3Matrix4for typeMAT4Arrays of these types when the metadata value is an array