import { Dataset } from './dataset/dataset';
import { RawDatasetSource, DatasetColumn, QueryAdapter, StorageAdapter } from './types';
export declare class VQuery {
    protected queryAdapter: QueryAdapter;
    protected storageAdapter: StorageAdapter;
    private isInitialized;
    constructor(queryAdapter: QueryAdapter, storageAdapter: StorageAdapter);
    private checkInitialized;
    private checkDatasetExists;
    createDataset(datasetId: string, columns?: DatasetColumn[], rawDatasetSource?: RawDatasetSource): Promise<void>;
    updateDatasetSource(datasetId: string, columns?: DatasetColumn[], rawDatasetSource?: RawDatasetSource): Promise<void>;
    dropDataset(datasetId: string): Promise<void>;
    connectDataset(datasetId: string, temporaryColumns?: DatasetColumn[], temporaryRawDatasetSource?: RawDatasetSource): Promise<Dataset>;
    hasDataset(datasetId: string): Promise<boolean>;
    listDatasets(): Promise<{
        datasetId: string;
        datasetSchema: import("./types").DatasetSchema;
        datasetSource?: import("./types").DatasetSource;
    }[]>;
    close(): Promise<void>;
}