import { OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export type AIAudioState = 'idle' | 'listening' | 'thinking' | 'speaking';
export declare class AIAudioWaveComponent implements OnDestroy {
    state: import("@angular/core").InputSignal<AIAudioState>;
    color: import("@angular/core").InputSignal<string>;
    theme: import("@angular/core").InputSignal<"light" | "dark">;
    muted: import("@angular/core").InputSignal<boolean>;
    autoCapture: import("@angular/core").InputSignal<boolean>;
    stateChange: import("@angular/core").OutputEmitterRef<AIAudioState>;
    mutedChange: import("@angular/core").OutputEmitterRef<boolean>;
    micToggle: import("@angular/core").OutputEmitterRef<boolean>;
    micEnabled: import("@angular/core").WritableSignal<boolean>;
    localMuted: import("@angular/core").WritableSignal<boolean>;
    speedMultiplier: import("@angular/core").WritableSignal<number>;
    bars: import("@angular/core").WritableSignal<{
        height: number;
        delay: string;
    }[]>;
    private defaultHeights;
    private audioCtx?;
    private analyser?;
    private dataArray?;
    private stream?;
    private animationFrameId?;
    constructor();
    ngOnDestroy(): void;
    private startMicCapture;
    private updateBarsFromAudio;
    private stopMicCapture;
    private resetBars;
    isMuted: import("@angular/core").Signal<boolean>;
    stateLabel: import("@angular/core").Signal<"Listening..." | "Thinking..." | "Speaking..." | "Assistant Idle">;
    volumePercent: import("@angular/core").Signal<0 | 5 | 45 | 12 | 78>;
    barDuration: import("@angular/core").Signal<string>;
    barColor: import("@angular/core").Signal<string>;
    onSpeedChange(event: Event): void;
    toggleMic(): void;
    toggleMute(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AIAudioWaveComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AIAudioWaveComponent, "ngx-ai-audio-wave", never, { "state": { "alias": "state"; "required": false; "isSignal": true; }; "color": { "alias": "color"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; "muted": { "alias": "muted"; "required": false; "isSignal": true; }; "autoCapture": { "alias": "autoCapture"; "required": false; "isSignal": true; }; }, { "stateChange": "stateChange"; "mutedChange": "mutedChange"; "micToggle": "micToggle"; }, never, never, true, never>;
}