import { OnApplicationBootstrap, OnModuleDestroy } from '@nestjs/common';
import { ConfigService } from '../../config/services/config.service';
import { StoragePlugin } from '../interfaces/storage-plugin.interface';
import { StorageMeasurementSchema, StoragePoint, StorageQueryOptions } from '../storage.types';
export type StoragePluginFactory = () => StoragePlugin;
export declare class StorageService implements OnApplicationBootstrap, OnModuleDestroy {
    private readonly configService;
    private readonly logger;
    private primary;
    private fallback;
    private readonly pendingSchemas;
    private pluginsCreated;
    private readonly pluginFactories;
    constructor(configService: ConfigService);
    registerPluginFactory(name: string, factory: StoragePluginFactory): void;
    onApplicationBootstrap(): Promise<void>;
    onModuleDestroy(): Promise<void>;
    isConnected(): boolean;
    isPrimaryAvailable(): boolean;
    isUsingFallback(): boolean;
    registerSchema(schema: StorageMeasurementSchema): void;
    writePoints(points: StoragePoint[]): Promise<void>;
    query<T>(query: string, options?: StorageQueryOptions): Promise<T[]>;
    queryRaw<T>(query: string, options?: StorageQueryOptions): Promise<T>;
    dropMeasurement(measurement: string): Promise<void>;
    getMeasurements(): Promise<string[]>;
    createContinuousQuery(name: string, body: string, db?: string, resample?: string): Promise<void>;
    showContinuousQueries(...args: unknown[]): Promise<Array<{
        name: string;
        query: string;
    }>>;
    dropContinuousQuery(...args: unknown[]): Promise<void>;
    createDatabase(...args: unknown[]): Promise<void>;
    dropDatabase(...args: unknown[]): Promise<void>;
    getDatabaseNames(): Promise<string[]>;
    createRetentionPolicy(...args: unknown[]): Promise<void>;
    alterRetentionPolicy(...args: unknown[]): Promise<void>;
    showRetentionPolicies(...args: unknown[]): Promise<Array<{
        default: boolean;
        duration: string;
        name: string;
        replicaN: number;
        shardGroupDuration: string;
    }>>;
    dropRetentionPolicy(...args: unknown[]): Promise<void>;
    dropSeries(...args: unknown[]): Promise<void>;
    ping(): Promise<unknown[]>;
    createUser(...args: unknown[]): Promise<void>;
    dropUser(...args: unknown[]): Promise<void>;
    getUsers(): Promise<Array<{
        user: string;
        admin: boolean;
    }>>;
    setPassword(...args: unknown[]): Promise<void>;
    grantPrivilege(...args: unknown[]): Promise<void>;
    revokePrivilege(...args: unknown[]): Promise<void>;
    grantAdminPrivilege(...args: unknown[]): Promise<void>;
    revokeAdminPrivilege(...args: unknown[]): Promise<void>;
    writeMeasurement(...args: unknown[]): Promise<void>;
    getSeries(): Promise<string[]>;
    private getConfig;
    private createPlugin;
}