export type CommandEvent = {
    command: any;
};
export type DisconnectEvent = void;
export type ConnectedEvent = void;
export type ErrorEvent = {
    error: string;
};
export type ResultEvent = {
    type: string;
    value: any;
};
export type CommandCompleteEvent = {
    success: boolean;
    error?: string;
};
export type AccessibilityTreeEvent = {
    tree: any;
};
export declare const EVENTS: {
    readonly COMMAND: "command";
    readonly DISCONNECT: "disconnect";
    readonly CONNECTED: "connected";
    readonly ERROR: "error";
    readonly RESULT: "result";
    readonly COMMAND_COMPLETE: "commandComplete";
    readonly ACCESSIBILITY_TREE: "accessibilityTree";
};
type EventListener = (...args: any[]) => void;
export declare class CustomEventEmitter {
    private listeners;
    constructor();
    private getListeners;
    emitCommand(command: any): boolean;
    emitDisconnect(): boolean;
    emitConnected(): boolean;
    emitError(error: string): boolean;
    emitResult(result: {
        type: string;
        value: any;
    }): boolean;
    emitCommandComplete(result: {
        success: boolean;
        error?: string;
    }): boolean;
    emitAccessibilityTree(tree: any): boolean;
    onCommand(listener: (command: any) => void): this;
    onDisconnect(listener: () => void): this;
    onConnected(listener: () => void): this;
    onError(listener: (error: string) => void): this;
    onResult(listener: (result: {
        type: string;
        value: any;
    }) => void): this;
    onCommandComplete(listener: (result: {
        success: boolean;
        error?: string;
    }) => void): this;
    onAccessibilityTree(listener: (tree: any) => void): this;
    on(event: string, listener: EventListener): this;
    emit(event: string, ...args: any[]): boolean;
    removeListener(event: string, listener: EventListener): this;
    removeAllListeners(event?: string): this;
}
export default CustomEventEmitter;