import { SyntheticEventTarget } from '../../esl-utils/dom/events/target';
import type { PropertyProvider } from '../../esl-utils/misc/functions';
/** The definition of the sharing button */
export interface ESLShareButtonConfig {
    /** Name of the share action, which is performed after the button is pressed */
    action: string;
    /** HTML content of the share icon */
    icon?: string;
    /**
     * URL link (with placeholders) to share. Can contain the following placeholders:
     * - `{u}` or `{url}` - URL to share (`shareUrl` property on the {@link ESLShareButton} instance)
     * - `{t}` or `{title}` - title to share (`shareTitle` property on the {@link ESLShareButton} instance)
     */
    link: string;
    /** String identifier of the button (no spaces) */
    name: string;
    /** Button title */
    title: string;
    /** Additional params to pass into a button */
    additional?: Record<string, any>;
}
/** The definition of share buttons groups (named sets of share buttons) */
export interface ESLShareGroupConfig {
    /** Name of the group. The group can be accessed with the `group:` prefix in the component configuration */
    name: string;
    /** A list of button names separated by space */
    list: string;
}
/** Object containing {@link ESLShareButtonConfig} and {@link ESLShareGroupConfig} definitions */
export interface ESLShareConfigInit {
    /** List of share buttons configurations */
    buttons?: ESLShareButtonConfig[];
    /** List of share buttons groups configurations */
    groups?: ESLShareGroupConfig[];
}
/** Class for managing share buttons configurations */
export declare class ESLShareConfig extends SyntheticEventTarget {
    /** @returns ESLShareConfig shared instance */
    static get instance(): ESLShareConfig;
    /**
     * Updates the configuration with either a {@link ESLShareConfigInit} object or provider function.
     * Every button and group specified in the new config will be added to the current configuration.
     * @returns ESLShareConfig instance
     */
    static set(cfg: ESLShareConfigInit | PropertyProvider<ESLShareConfigInit>): ESLShareConfig;
    /**
     * Updates the configuration with promise resolved to {@link ESLShareConfigInit} or promise provider function.
     * Every button and group specified in the new config will be added to the current configuration.
     * @returns Promise<ESLShareConfig> instance
     */
    static set(provider: Promise<Partial<ESLShareConfig>> | PropertyProvider<Promise<ESLShareConfigInit>>): Promise<ESLShareConfig>;
    /** Updates items configuration from the list with the specified partial config */
    static update(query: string, changes: Partial<ESLShareButtonConfig>): ESLShareConfig;
    /** Appends single button or group to current configuration */
    static append(cfg: ESLShareButtonConfig | ESLShareGroupConfig | ESLShareButtonConfig[] | ESLShareGroupConfig[]): ESLShareConfig;
    protected readonly _groups: Map<string, string>;
    protected readonly _buttons: Map<string, ESLShareButtonConfig>;
    protected constructor();
    /** @returns list of all available groups */
    get groups(): ESLShareGroupConfig[];
    /** @returns list of all available buttons */
    get buttons(): ESLShareButtonConfig[];
    /** Normalize list string by removing groups and extra whitespaces */
    protected resolve(query: string): string[];
    /**
     * Selects the buttons for the given list and returns their configuration.
     * @returns config of buttons
     */
    get(query: string): ESLShareButtonConfig[];
    /** Clears the configuration */
    clear(): ESLShareConfig;
    /**
     * Gets the group of buttons configuration.
     * @returns config of group
     */
    getGroup(name: string): ESLShareGroupConfig | undefined;
    /**
     * Gets the button configuration.
     * @returns config of button
     */
    getButton(name: string): ESLShareButtonConfig | undefined;
    /** Updates the configuration with a {@link ESLShareButtonConfig} or {@link ESLShareGroupConfig} */
    protected add(config: ESLShareButtonConfig | ESLShareGroupConfig): void;
    /** Updates the configuration with a {@link ESLShareButtonConfig}(s) or {@link ESLShareGroupConfig}(s) */
    append(config: ESLShareButtonConfig | ESLShareGroupConfig | ESLShareButtonConfig[] | ESLShareGroupConfig[]): ESLShareConfig;
    /** Updates items configuration from the list with the specified partial config */
    update(query: string, changes: Partial<ESLShareButtonConfig>): ESLShareConfig;
    protected _onUpdate(): void;
}