def getUniquePropValues(objs, props)
	set unique_values to {}
	for prop in props
		make a Set then put it into unique_values[prop]
	end
	for obj in objs
		for prop in props
			call unique_values[prop].add(obj[prop])
		end
	end
	return forceValuesToArray(unique_values)
end

def forceValuesToArray(obj)
	js(obj)
		return Object.fromEntries(
			Object.entries(obj).map(([prop, value]) => [prop, [...value]])
		);
	end
	return it
end