import { providers } from "ethers";
export declare class Blockchain {
    _provider: providers.Web3Provider | providers.JsonRpcProvider;
    private _snapshotId;
    constructor(_provider: providers.Web3Provider | providers.JsonRpcProvider);
    saveSnapshotAsync(): Promise<string>;
    revertAsync(): Promise<void>;
    revertByIdAsync(id: string): Promise<void>;
    resetAsync(): Promise<void>;
    increaseTimeAsync(duration: number): Promise<any>;
    getCurrentTimestamp(): Promise<any>;
    setNextBlockTimestamp(timestamp: number): Promise<any>;
    waitBlocksAsync(count: number): Promise<void>;
    private sendJSONRpcRequestAsync;
}
//# sourceMappingURL=blockchainUtils.d.ts.map