/// <reference types="node" />
import { MainchainInteroperabilityInternalMethod } from './internal_method';
import { BaseInteroperabilityMethod } from '../base_interoperability_method';
import { ImmutableMethodContext } from '../../../state_machine';
export declare class MainchainInteroperabilityMethod extends BaseInteroperabilityMethod<MainchainInteroperabilityInternalMethod> {
    isChannelActive(context: ImmutableMethodContext, chainID: Buffer, timestamp: number): Promise<boolean>;
}