/**
 * VoiceAgentWidget - UI widget for Voice.ai
 *
 * Features:
 * - Click to connect/disconnect
 * - Shape morphs based on state (circle/square)
 * - Audio bars react to agent speech
 * - Expandable transcript panel with text input
 */
import VoiceAI from '../index';
import type { ConnectionOptions } from '../types';
export interface VoiceAgentWidgetTheme {
    primaryColor?: string;
    backgroundColor?: string;
    borderColor?: string;
    barColor?: string;
}
export interface VoiceAgentWidgetOptions {
    sdk: VoiceAI;
    connectionOptions: ConnectionOptions;
    position?: 'bottom-right' | 'bottom-left' | 'top-right' | 'top-left';
    container?: HTMLElement;
    theme?: VoiceAgentWidgetTheme;
    size?: number;
    /** Enable transcript panel (default: true) */
    showTranscript?: boolean;
}
export declare class VoiceAgentWidget {
    private sdk;
    private connectionOptions;
    private position;
    private container;
    private theme;
    private size;
    private showTranscript;
    private widgetElement;
    private buttonElement;
    private buttonShape;
    private glowElement;
    private endButton;
    private bars;
    private panelElement;
    private messagesContainer;
    private inputElement;
    private isPanelOpen;
    private messages;
    private isConnected;
    private isConnecting;
    private agentState;
    private audioLevel;
    private animationFrame;
    private unsubscribeStatus;
    private unsubscribeAgentState;
    private unsubscribeAudioLevel;
    private unsubscribeError;
    private unsubscribeTranscription;
    private static readonly DEFAULT_THEME;
    constructor(options: VoiceAgentWidgetOptions);
    private init;
    private createWidget;
    private createTranscriptPanel;
    private setupEventListeners;
    private addMessage;
    private updateOrAddMessage;
    private updateMessageElement;
    private appendMessageElement;
    private renderMessages;
    private sendTextMessage;
    private togglePanel;
    private startAnimationLoop;
    private handleClick;
    private handleConnect;
    private handleDisconnect;
    private updateUI;
    private applyButtonTheme;
    private applyGlowTheme;
    setTheme(theme: Partial<VoiceAgentWidgetTheme>): void;
    destroy(): void;
}
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