import { USWDSBaseComponent } from '@uswds-wc/core';
export interface DateRange {
    startDate: string;
    endDate: string;
}
/**
 * ARCHITECTURE: Composition Wrapper Pattern
 * @uswds-behavior-disabled - USWDS JS is handled by child usa-date-picker components
 *
 * This component is a composition wrapper that:
 * - Coordinates two usa-date-picker child components (start/end dates)
 * - Delegates all USWDS JavaScript behavior to child components
 * - Manages date range validation and synchronization between pickers
 * - Does NOT need direct USWDS initialization (children handle it)
 *
 * USA Date Range Picker Web Component
 *
 * Minimal wrapper around USWDS date range picker functionality.
 * All calendar behavior, date validation, and interactions are managed by USWDS JavaScript
 * in the child usa-date-picker components.
 *
 * @element usa-date-range-picker
 * @fires date-range-change - Dispatched when date range changes (via USWDS)
 *
 * @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-date-range-picker/src/index.js
 * @uswds-css-reference https://github.com/uswds/uswds/tree/develop/packages/usa-date-range-picker/src/styles/_usa-date-range-picker.scss
 * @uswds-docs https://designsystem.digital.gov/components/date-range-picker/
 * @uswds-guidance https://designsystem.digital.gov/components/date-range-picker/#guidance
 * @uswds-accessibility https://designsystem.digital.gov/components/date-range-picker/#accessibility
 */
export declare class USADateRangePicker extends USWDSBaseComponent {
    static styles: import('lit').CSSResult;
    startDate: string;
    endDate: string;
    name: string;
    startInputId: string;
    endInputId: string;
    label: string;
    startLabel: string;
    endLabel: string;
    hint: string;
    placeholder: string;
    disabled: boolean;
    required: boolean;
    minDate: string;
    maxDate: string;
    error: string;
    connectedCallback(): void;
    firstUpdated(changedProperties: Map<string, any>): void;
    updated(changedProperties: Map<string, any>): void;
    private validateDateRange;
    private handleStartDateChange;
    private handleEndDateChange;
    private dispatchRangeChangeEvent;
    private calculateDaysDifference;
    private renderError;
    private renderRequiredIndicator;
    private renderHint;
    private renderRangeSummary;
    render(): import('lit-html').TemplateResult<1>;
}
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