import { KvsEntity, Kvs } from './interfaces/kvs';
import { BatchDeleteItem, BatchGetItem, BatchGetResult, BatchSetItem } from './interfaces/kvs-api';
import { QueryBuilder, QueryOptions } from './interfaces/query';
import { TransactionBuilder } from './interfaces/transaction';
import { GetOptions, GetResult, BatchResult, SetOptions, PolicySetOptions, OverrideAndReturnSetOptions, SetResult } from './interfaces/types';
import { StorageApi } from './storage-api';
export declare class KvsImpl implements Kvs {
    private readonly storageApi;
    constructor(storageApi: StorageApi);
    get<T>(key: string): Promise<T | undefined>;
    get<T>(key: string, options: GetOptions): Promise<GetResult<T> | undefined>;
    set<T>(key: string, value: T, options?: SetOptions): Promise<void>;
    set<T>(key: string, value: T, options: PolicySetOptions): Promise<void>;
    set<T, U = T>(key: string, value: T, options: OverrideAndReturnSetOptions): Promise<SetResult<U> | undefined>;
    batchSet<T>(items: Array<BatchSetItem<T>>): Promise<BatchResult>;
    batchDelete(items: Array<BatchDeleteItem>): Promise<BatchResult>;
    batchGet<T>(items: Array<BatchGetItem>): Promise<BatchGetResult<T>>;
    delete(key: string): Promise<void>;
    query(options?: Pick<QueryOptions, 'metadataFields'>): QueryBuilder;
    getSecret<T>(key: string): Promise<T | undefined>;
    getSecret<T>(key: string, options: GetOptions): Promise<GetResult<T> | undefined>;
    setSecret<T>(key: string, value: T, options?: SetOptions): Promise<void>;
    setSecret<T>(key: string, value: T, options: PolicySetOptions): Promise<void>;
    setSecret<T, U = T>(key: string, value: T, options: OverrideAndReturnSetOptions): Promise<SetResult<U> | undefined>;
    deleteSecret(key: string): Promise<void>;
    entity<T>(entityName: string): KvsEntity<T>;
    transact(): TransactionBuilder;
}
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