export declare class DeliveryTicker { 'contract'?: string; 'last'?: string; 'changePercentage'?: string; 'totalSize'?: string; 'low24h'?: string; 'high24h'?: string; 'volume24h'?: string; 'volume24hBtc'?: string; 'volume24hUsd'?: string; 'volume24hBase'?: string; 'volume24hQuote'?: string; 'volume24hSettle'?: string; 'markPrice'?: string; 'fundingRate'?: string; 'fundingRateIndicative'?: string; 'indexPrice'?: string; 'quantoBaseRate'?: string; 'basisRate'?: string; 'basisValue'?: string; 'lowestAsk'?: string; 'lowestSize'?: string; 'highestBid'?: string; 'highestSize'?: string; static discriminator: string | undefined; static attributeTypeMap: Array<{ name: string; baseName: string; type: string; }>; static getAttributeTypeMap(): { name: string; baseName: string; type: string; }[]; }