import { _SubstrateApi } from '@soul-wallet/extension-base/services/chain-service/types';
import { ApiPromise } from '@polkadot/api';
import { ContractPromise } from '@polkadot/api-contract';
export declare function getPSP22ContractPromise(apiPromise: ApiPromise, contractAddress: string): ContractPromise;
export declare function isPinkRoboNft(contractAddress: string): boolean;
export declare function isNeurogunNft(contractAddress: string): boolean;
export declare function isAzeroDomainNft(contractAddress: string): boolean;
export declare function getPSP34ContractPromise(apiPromise: ApiPromise, contractAddress: string): ContractPromise;
export declare function getTokenUriMethod(contractAddress: string): string;
export declare function getPSP34TransferExtrinsic(networkKey: string, substrateApi: _SubstrateApi, senderAddress: string, recipientAddress: string, params: Record<string, any>): Promise<import("@polkadot/api-base/types").SubmittableExtrinsic<"promise", import("@polkadot/types/types").ISubmittableResult> | null>;