import { LitElement, TemplateResult, PropertyValues, CSSResult } from 'lit';
import { VisualizationMode } from './types.js';
/**
 * Audio visualization settings web component.
 */
export declare class AudioVizSettingsElement extends LitElement {
    static styles: CSSResult[];
    mode: VisualizationMode;
    minDb: number;
    maxDb: number;
    dbRangeMin: number;
    dbRangeMax: number;
    private _modeElement;
    private _minDbElement;
    private _maxDbElement;
    private _dbRangeMinElement;
    private _dbRangeMaxElement;
    private _dbRangeElement;
    private _dualRangeInput;
    disconnectedCallback(): void;
    protected render(): TemplateResult;
    protected updated(_changedProperties: PropertyValues<this>): void;
    private updateDbRange;
}