// https://webidl.spec.whatwg.org/#quotaexceedederror [Exposed=*, Serializable] interface QuotaExceededError : DOMException { constructor(optional Utf16DOMString message = "", optional QuotaExceededErrorOptions options = {}); readonly attribute double? quota; readonly attribute double? requested; }; // https://webidl.spec.whatwg.org/#dictdef-quotaexceedederroroptions dictionary QuotaExceededErrorOptions { double quota; double requested; };