import { SyncDoc, SyncOpts0 } from "../generic/sync-doc";
import { Document, DocType } from "../generic/types";
export interface SyncDBOpts0 extends SyncOpts0 {
    primary_keys: string[];
    string_cols: string[];
}
export interface SyncDBOpts extends SyncDBOpts0 {
    from_str: (str: string) => Document;
    doctype: DocType;
}
export declare class SyncDB extends SyncDoc {
    constructor(opts: SyncDBOpts0);
    get_one(arg?: any): import("immutable").Map<string, any> | undefined;
}