ReadonlyaddressReadonlybehaviorReadonlydatabaseProtected Static ReadonlyDELETIONProtected StaticglobalProtected Static ReadonlyINCLUSIONProtectedaddOptionalkey: ScalarKey | Muid | [Muid, Muid] | Addressable | [Addressable, Addressable]Optionalvalue: Value | Deletion | InclusionOptionalmeta: MetaOptionalonContainer: MuidProtected StaticaddStaticcreateStaticget
Returns a promise that resolves to true showing if this placeholder is/was visible at the specified time (default now), or false if it was softly deleted.