PerformanceObserverCallbackOptions
Generated.swift:13455class PerformanceObserverCallbackOptionsclass PerformanceObserverCallbackOptionsimport DOMclass BridgedDictionaryprotocol ConstructibleFromJSValueTypes conforming to this protocol can be constructed from JSValue.
protocol ConvertibleToJSValueObjects that can be converted to a JavaScript value, preferably in a lossless manner.
convenience init(droppedEntriesCount: UInt64) required init(unsafelyWrapping object: JSObject) @ReadWriteAttribute var droppedEntriesCount: UInt64 { get set }