import { SubstrateNetwork } from '../../../SubstrateNetwork';
import { SCALEInt } from '../scale/type/SCALEInt';
import { SCALEOptional } from '../scale/type/SCALEOptional';
export declare class SubstrateActiveEraInfo {
    readonly index: SCALEInt;
    readonly start: SCALEOptional<SCALEInt>;
    static decode<Network extends SubstrateNetwork>(network: Network, runtimeVersion: number | undefined, raw: string): SubstrateActiveEraInfo;
    private constructor();
}