import { OnApplicationShutdown } from '@nestjs/common';
import { MetaData } from '@subql/common';
import { SubqueryProject } from '../configure/project.model';
export declare type Dictionary = {
    _metadata: MetaData;
    batchBlocks: number[];
};
interface DictionaryQueryCondition {
    field: string;
    value: string;
}
export interface DictionaryQueryEntry {
    entity: string;
    conditions: DictionaryQueryCondition[];
}
export declare class DictionaryService implements OnApplicationShutdown {
    protected project: SubqueryProject;
    private client;
    private isShutdown;
    constructor(project: SubqueryProject);
    onApplicationShutdown(): void;
    /**
     *
     * @param startBlock
     * @param queryEndBlock this block number will limit the max query range, increase dictionary query speed
     * @param batchSize
     * @param conditions
     */
    getDictionary(startBlock: number, queryEndBlock: number, batchSize: number, conditions: DictionaryQueryEntry[]): Promise<Dictionary>;
    private dictionaryQuery;
}
export {};