import { IDbTransformer } from "./IIndexedDbTransformer";
export type TableName = "elements" | "instances" | "geometries" | "buffers" | "materials" | "types" | "storeys" | "gbuffer";
export type KeyPath = "id" | "index";
export declare class IndexedDB<T> {
    private _db;
    private _table;
    private _keyPath;
    private _transformer;
    constructor(table: TableName, keyPath: KeyPath, transformer?: IDbTransformer<T>);
    open(): Promise<boolean>;
    add(item: T | T[]): Promise<boolean>;
    set(item: T | T[]): Promise<boolean>;
    get(id: number): Promise<T>;
    getAll(): Promise<T[]>;
    getRest(startKey: number): Promise<T[]>;
    delete(key: number): Promise<boolean>;
    clear(): Promise<boolean>;
    close(): void;
}