import * as Builder from './builder';
import type * as RPC from './rpc';
import { NSApplicator } from '../base/util';
export declare const enum Isolation {
    SerializableSnapshot = 0,
    Serializable = 1,
    RepeatableReads = 2,
    ReadCommitted = 3
}
export interface ISTMOptions {
    retries: number;
    prefetch: string[];
    isolation: Isolation;
}
export declare class SoftwareTransaction {
    private readonly options;
    private readonly namespace;
    private readonly rawKV;
    private readonly kv;
    private tx;
    constructor(options: ISTMOptions, namespace: NSApplicator, rawKV: RPC.KVClient);
    transact<T>(fn: (tx: this) => T | PromiseLike<T>): Promise<T>;
    get(key: string): Builder.SingleRangeBuilder;
    put(key: string | Buffer): Builder.PutBuilder;
    delete(): Builder.DeleteBuilder;
    private transactInner;
    private commit;
}