import { type HTMLAttributes } from 'react';
import { type VariantProps } from 'class-variance-authority';
declare const rootVariants: (props?: ({
    size?: "sm" | "md" | "lg" | null | undefined;
} & import("class-variance-authority/types").ClassProp) | undefined) => string;
export interface AudioVisualiserProps extends HTMLAttributes<HTMLDivElement>, VariantProps<typeof rootVariants> {
    /** Live microphone stream. When null, bars render at their idle height. */
    stream: MediaStream | null;
    /** Number of frequency bars. Defaults to 32. */
    barCount?: number;
    /** Optional device label. When provided, announced via aria-label. */
    deviceName?: string;
    /** Accessible label override. Defaults to ui.chat.audio.visualiserLabel. */
    label?: string;
}
export declare const AudioVisualiser: import("react").ForwardRefExoticComponent<AudioVisualiserProps & import("react").RefAttributes<HTMLDivElement>>;
export {};
//# sourceMappingURL=audio-visualiser.d.ts.map