import { LitElement } from 'lit';
/**
 * USA Range Slider Web Component
 *
 * A simple, accessible USWDS range slider implementation as a custom element.
 * Uses official USWDS classes and styling with minimal custom code.
 *
 * @element usa-range-slider
 * @fires range-change - Dispatched when range value changes
 *
 * @see README.mdx - Complete API documentation, usage examples, and implementation notes
 * @see CHANGELOG.mdx - Component version history and breaking changes
 * @see TESTING.mdx - Testing documentation and coverage reports
 *
 * @uswds-js-reference https://github.com/uswds/uswds/tree/develop/packages/usa-range/src/index.js
 * @uswds-css-reference https://github.com/uswds/uswds/tree/develop/packages/usa-range/src/styles/_usa-range.scss
 * @uswds-docs https://designsystem.digital.gov/components/range/
 * @uswds-guidance https://designsystem.digital.gov/components/range/#guidance
 * @uswds-accessibility https://designsystem.digital.gov/components/range/#accessibility
 */
export declare class USARangeSlider extends LitElement {
    static styles: import('lit').CSSResult;
    value: number;
    min: number;
    max: number;
    step: number;
    name: string;
    inputId: string;
    label: string;
    hint: string;
    error: string;
    disabled: boolean;
    required: boolean;
    unit: string;
    showValue: boolean;
    showOutput: boolean;
    showMinMax: boolean;
    protected createRenderRoot(): HTMLElement;
    connectedCallback(): void;
    firstUpdated(changedProperties: Map<string, any>): Promise<void>;
    private initializeUSWDSRange;
    private updateProgress;
    updated(changedProperties: Map<string, any>): void;
    private updateUSWDSCallout;
    private formatValue;
    private getAriaDescribedBy;
    disconnectedCallback(): void;
    private renderRequiredIndicator;
    private renderHint;
    private renderError;
    private renderValue;
    private renderMinMax;
    private calculatePercentage;
    private dispatchRangeChange;
    private handleInput;
    private handleChange;
    private handleKeydown;
    render(): import('lit-html').TemplateResult<1>;
}
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