import { BalanceChecker } from '@unilogin/commons';
import ObserverRunner from './ObserverRunner';
export declare type ReadyToDeployCallback = (contractAddress: string) => void;
export declare class DeploymentReadyObserver extends ObserverRunner {
    private tokenAddress;
    private minimalAmount;
    private balanceChecker;
    private contractAddress?;
    private callback?;
    constructor(tokenAddress: string, minimalAmount: string, balanceChecker: BalanceChecker);
    startAndSubscribe(contractAddress: string, callback: ReadyToDeployCallback): () => void;
    execute(): Promise<void>;
    checkDeploymentReadiness(): Promise<void>;
    onDeploymentReady(contractAddress: string): void;
}
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