Add missing billing_threshhold and metadata to ISubscriptionCreationItem (#36192)
Add missing billing_threshhold and metadata to ISubscriptionCreationItem (#36192)


mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped