export declare class Subgraph { private subgraphUrl; private initialized; private keyTokensPriceLastUpdatedAt; private production; constructor(subgraphUrl: string, production: boolean); initSubgraph(): Promise; isInitialized(): boolean; getUfogeesHolders(): Promise; getUfogeesCount(address: string): Promise; getUfogeesNFTByHolder(address: string): Promise; getNFTHolders(): Promise; getPresaleHolders(): Promise; getPublicHolders(): Promise; getBreedingNFT(address: string): Promise; getLockedBreedingNFT(address: string): Promise; getAvailableBreedingNFT(address: string): Promise; }