import { IConfigData } from './data';
import { IConfigSection } from './section';
import { IConfigOptions } from '../../shared/interface/config';
import { Cache } from 'cache-manager';
import { ApiServiceBase } from '@elsikora/nestjs-crud-automator';
import { CryptoUtility } from '../../shared/utility';
import { DataSource } from 'typeorm';
import { IConfigDeleteOptions, IConfigGetListOptions, IConfigGetOptions, IConfigSetOptions } from './interface';
/**
 * Service for managing configuration data with caching support
 * Provides methods to retrieve configuration values with optional decryption
 * @see {@link https://elsikora.com/docs/nestjs-crud-config/core-concepts/config-service | Core Concepts - Config Service}
 * @see {@link https://elsikora.com/docs/nestjs-crud-config/api-reference/classes/crud-config-service | API Reference - CrudConfigService}
 */
export declare class CrudConfigService {
    private readonly sectionService;
    private readonly dataService;
    private readonly cacheManager;
    private readonly options?;
    private readonly dataSource?;
    private readonly cryptoUtility?;
    private readonly LOGGER;
    constructor(sectionService: ApiServiceBase<IConfigSection>, dataService: ApiServiceBase<IConfigData>, cacheManager: Cache, options?: IConfigOptions | undefined, dataSource?: DataSource | undefined, cryptoUtility?: CryptoUtility | undefined);
    /**
     * Deletes a configuration value
     * @param {IConfigDeleteOptions} options Configuration options to identify the value to delete
     * @returns {Promise<void>} Promise resolving when the configuration is deleted
     */
    delete(options: IConfigDeleteOptions): Promise<void>;
    /**
     * Retrieves configuration data based on the provided options
     * @param {IConfigGetOptions} options Configuration retrieval options
     * @returns {Promise<IConfigData>} Promise resolving to the configuration data
     */
    get(options: IConfigGetOptions): Promise<IConfigData>;
    /**
     * Lists all configuration values in a section.
     * Supports caching and running within a TypeORM transaction.
     * @param {IConfigGetListOptions} options Options for listing configurations.
     * @returns {Promise<Array<IConfigData>>} Promise resolving to an array of configuration data.
     */
    getList(options: IConfigGetListOptions): Promise<Array<IConfigData>>;
    /**
     * Sets a configuration value with optional encryption.
     * The specified section must already exist.
     * If a configuration with the same name and environment already exists, it will be updated. Otherwise, a new one will be created.
     * Owns the named crud-config-set Automator transaction when eventManager is omitted.
     * A provided eventManager must already belong to an active Automator owner.
     * @param {IConfigSetOptions} options Configuration set options
     * @returns {Promise<IConfigData>} Promise resolving to the saved configuration data
     */
    set(options: IConfigSetOptions): Promise<IConfigData>;
    private getOrCreateSection;
    private runWithEventManager;
    private setWithEntityManager;
}