import { HttpClient } from '@angular/common/http';
import { InjectionToken } from '@angular/core';
import { MtnaLogger } from '@mtna/lib-ui';
import { ExternalRdsAppConfig } from '../models/index';
export interface RdsApiConfig {
    configPath: string;
}
export declare const RDS_API_CONFIG: InjectionToken<RdsApiConfig>;
/**
 * Service that acts as a central hub for all RDS interactions.
 * All other RDS services rely on this services for the api url, selected catalog id, and selected data product id.
 *
 * This service can be used in one of two ways.
 * 1. Use the optional RDS_API_CONFIG to inject a path for a json config file. Be sure to load the config file in the `APP_INITIALIZER`.
 * 2. Don't provide the RDS_API_CONFIG and manually set the api url, and optionally default catalog and data product IDs
 *
 * @author Will Davis <will.davis@mtna.us>
 */
export declare class RdsApiService {
    protected http: HttpClient;
    protected logger: MtnaLogger;
    /** API url for the RDS instance */
    apiUrl: string;
    /** Selected Catalog ID */
    catalogId: string;
    /** Seleted Data Product ID */
    dataProductId: string;
    /** Object read from config JSON file */
    private config;
    /** Path to the config JSON file */
    private configPath;
    /**
     * Creates an instance of RdsApiService.
     * @param http HttpClient
     * @param rdsApiConfig optional configuration that tells where to load the config file
     */
    constructor(http: HttpClient, rdsApiConfig: RdsApiConfig, logger: MtnaLogger);
    /**
     * Called by all other services for http calls requiring the api url
     */
    getApiUrl(): string;
    setApiUrl(url: string): void;
    /**
     * Use to get the data found in the second file (config file)
     */
    getConfig<K extends keyof ExternalRdsAppConfig>(key: K): ExternalRdsAppConfig[K];
    /**
     * Returns the id of the selected catalog. Throws error if
     * the id has not been set.
     */
    getCatalogId(): string;
    /**
     * Checks if the catalog id has been set.
     */
    isCatalogIdSet(): boolean;
    /**
     * Sets the catalogId using the selected catalog.
     */
    setCatalogId(id: string): void;
    /**
     * Returns the id of the selected data product. Throws error if
     * the id has not been set.
     */
    getDataProductId(): string;
    /**
     * Checks if the data product id has been set.
     */
    isDataProductIdSet(): boolean;
    /**
     * Set the dataProductId using the selected data product.
     */
    setDataProductId(id: string): void;
    /**
     * Load a config file located at the path provided in `RDS_API_CONFIG`.
     * This should be done in the angular `APP_INITIALIZER`
     *
     * @example
     *
     * function initConfig(config: RdsApiService) {
     *    return () => config.loadConfigFile();
     * }
     *
     * // AppModule providers
     * providers: [
     *  {
     *    provide: APP_INITIALIZER,
     *    useFactory: initConfig,
     *    deps: [RdsApiService],
     *    multi: true
     *  }
     * ],
     */
    loadConfigFile(): Promise<void>;
    /**
     * Read the config file and set the api url and any defaults
     */
    private _initializeConfigurations;
}