import { BlockTag, ethers } from "ethers";
import { BaseContractAPI } from "./contracts/base-contract-api";
/**
 * API for interacting with the HYCHAIN Node Key L2 contract
 */
export declare class HYCHAINNodeKeyAPI extends BaseContractAPI {
    /**
     * Get the current token balance of the owner
     * @param owner Owner address of the tokens
     * @returns Current token balance of the owner
     */
    balanceOf(owner: string): Promise<number>;
    /**
     * Get the name of the token
     * @returns Name of the token
     */
    getName(): Promise<string>;
    /**
     * Get the owner of the node key
     * @param tokenId Node key ID
     * @returns Owner of the node key
     */
    getNodeKeyOwner(tokenId: number): Promise<string>;
    /**
     * Get the symbol of the token
     * @returns Symbol of the token
     */
    getTokenSymbol(): Promise<string>;
    /**
     * Get the tokenURI of the token
     * @param tokenId Node key ID
     * @returns TokenURI of the token
     */
    getTokenURI(tokenId: number): Promise<string>;
    /**
     * Get the current total supply of the token
     * @returns Current total supply of the token
     */
    getTotalSupply(): Promise<number>;
    /**
     * Get all the current node key owners with their related transfer events.
     * If event was removed then it will not be included in the result.
     * If a token was transferred multiple times, the latest transfer event will be used.
     * @param fromBlock starting block number
     * @param toBlock ending block number
     * @returns Node key owners with their related transfer events
     */
    getOwnersByEvents(fromBlock?: BlockTag, toBlock?: BlockTag): Promise<OwnerTransferEvent[]>;
    /**
     * Get all TransferEvents within the given block range
     * @param fromBlock starting block number
     * @param toBlock ending block number
     * @returns all TransferEvents within the given block range
     */
    getTransferEvents(fromBlock?: BlockTag, toBlock?: BlockTag): Promise<TransferEvent[]>;
}
export interface TransferEvent {
    from: string;
    to: string;
    tokenId: number;
    blockNumber: ethers.BigNumberish;
    blockHash: string;
    transactionHash: string;
    removed: boolean;
}
export interface OwnerTransferEvent {
    owner: string;
    tokenIds: number[];
    events: TransferEvent[];
}
//# sourceMappingURL=hychain-node-key.d.ts.map