import { EventEmitter2 } from '@nestjs/event-emitter';
import { NodeConfig, DictionaryService, DsProcessorService } from '@subql/node-core';
import { SubstrateBlock, SubstrateDatasource } from '@subql/types';
import { SubqueryProject } from '../../configure/SubqueryProject';
import { SpecVersion } from './types';
export declare class SubstrateDictionaryService extends DictionaryService<SubstrateDatasource, SubstrateBlock> {
    protected project: SubqueryProject;
    protected dsProcessorService: DsProcessorService;
    initDictionaries(): Promise<void>;
    constructor(project: SubqueryProject, nodeConfig: NodeConfig, eventEmitter: EventEmitter2, dsProcessorService: DsProcessorService);
    private getV1Dictionary;
    getSpecVersions(): Promise<SpecVersion[] | undefined>;
}