import { Dictionary, JsonMap, Optional } from '@salesforce/ts-types';
import { ConfigFile } from './configFile';
import { ConfigContents, ConfigEntry, ConfigValue } from './configStore';
/**
 * A config file that stores config values in groups. e.g. to store different config
 * values for different commands, without having manually manipulate the config.
 *
 * **Note:** All config methods are overwritten to use the {@link ConfigGroup.setDefaultGroup}.
 *
 * ```
 * class MyPluginConfig extends ConfigGroup<ConfigGroup.Options> {
 *   public static getFileName(): string {
 *     return 'myPluginConfigFilename.json';
 *   }
 * }
 * const myConfig = await MyPluginConfig.create(ConfigGroup.getOptions('all'));
 * myConfig.setDefaultGroup('myCommand'); // Can be set in your command's init.
 * myConfig.set('mykey', 'myvalue'); // Sets 'myKey' for the 'myCommand' group.
 * myConfig.setInGroup('myKey', 'myvalue', 'all'); // Manually set in another group.
 * await myConfig.write();
 * ```
 */
export declare class ConfigGroup<T extends ConfigGroup.Options> extends ConfigFile<T> {
    protected defaultGroup: string;
    /**
     * Get ConfigGroup specific options, such as the default group.
     *
     * @param defaultGroup The default group to use when creating the config.
     * @param filename The filename of the config file. Uses the static {@link getFileName} by default.
     */
    static getOptions(defaultGroup: string, filename?: string): ConfigGroup.Options;
    /**
     * Sets the default group for all {@link BaseConfigStore} methods to use.
     * **Throws** *{@link SfdxError}{ name: 'MissingGroupName' }* The group parameter is null or undefined.
     *
     * @param group The group.
     */
    setDefaultGroup(group: string): void;
    /**
     * Set a group of entries in a bulk save. Returns The new properties that were saved.
     *
     * @param newEntries An object representing the aliases to set.
     * @param group The group the property belongs to.
     */
    updateValues(newEntries: Dictionary<ConfigValue>, group?: string): Promise<Dictionary<ConfigValue>>;
    /**
     * Set a value on a group. Returns the promise resolved when the value is set.
     *
     * @param key The key.
     * @param value The value.
     * @param group The group.
     */
    updateValue(key: string, value: ConfigValue, group?: string): Promise<void>;
    /**
     * Gets an array of key value pairs.
     */
    entries(): ConfigEntry[];
    /**
     * Returns a specified element from ConfigGroup. Returns the associated value.
     *
     * @param key The key.
     */
    get(key: string): Optional<ConfigValue>;
    /**
     * Returns a boolean if an element with the specified key exists in the default group.
     *
     * @param {string} key The key.
     */
    has(key: string): boolean;
    /**
     * Returns an array of the keys from the default group.
     */
    keys(): string[];
    /**
     * Returns an array of the values from the default group.
     */
    values(): ConfigValue[];
    /**
     * Add or updates an element with the specified key in the default group.
     *
     * @param key The key.
     * @param value The value.
     */
    set(key: string, value: ConfigValue): ConfigContents;
    /**
     * Removes an element with the specified key from the default group. Returns `true` if the item was deleted.
     *
     * @param key The key.
     */
    unset(key: string): boolean;
    /**
     * Remove all key value pairs from the default group.
     */
    clear(): void;
    /**
     * Get all config contents for a group.
     *
     * @param {string} [group = 'default'] The group.
     */
    getGroup(group?: string): Optional<ConfigContents>;
    /**
     * Returns the value associated to the key and group, or undefined if there is none.
     *
     * @param key The key.
     * @param group The group. Defaults to the default group.
     */
    getInGroup(key: string, group?: string): Optional<ConfigValue>;
    /**
     * Convert the config object to a json object.
     */
    toObject(): JsonMap;
    /**
     * Convert an object to a {@link ConfigContents} and set it as the config contents.
     *
     * @param {object} obj The object.
     */
    setContentsFromObject<U extends object>(obj: U): void;
    /**
     * Sets the value for the key and group in the config object.
     *
     * @param key The key.
     * @param value The value.
     * @param group The group. Uses the default group if not specified.
     */
    setInGroup(key: string, value?: ConfigValue, group?: string): ConfigContents;
    /**
     * Initialize the asynchronous dependencies.
     */
    init(): Promise<void>;
}
export declare namespace ConfigGroup {
    /**
     * Options when creating the config file.
     */
    interface Options extends ConfigFile.Options {
        /**
         * The default group for properties to go into.
         */
        defaultGroup?: string;
    }
}