/**
 * @license
 * Copyright 2023 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { LitElement } from 'lit';
import { RadioButtonType, RadioButtonOption } from './radio-group.types.js';
declare const NrRadioGroupElement_base: (new (...args: any[]) => import("@nuralyui/common/mixins").DependencyAware) & (new (...args: any[]) => import("@nuralyui/common/mixins").ThemeAware) & (new (...args: any[]) => import("@nuralyui/common/mixins").EventHandlerCapable) & (new (...args: any[]) => import("packages/common/src/shared/base-mixin.js").LightDomContent) & typeof LitElement;
/**
 * A radio button group component using Reactive Controllers architecture.
 *
 * Supports multiple display modes:
 * - Default: Traditional radio buttons with labels
 * - Button: Button-style radio group
 * - Slot: Custom HTML content with radio selection
 *
 * Features:
 * - Theme-aware styling with light/dark mode support
 * - Keyboard navigation (arrow keys, space, enter)
 * - Accessibility compliance
 * - Form validation and integration
 * - Ripple effects on interaction
 * - Modular controller-based architecture
 *
 * @example
 * ```html
 * <nr-radio-group
 *   .options='[
 *     { value: "option1", label: "Option 1" },
 *     { value: "option2", label: "Option 2" }
 *   ]'
 *   default-value="option1"
 *   direction="horizontal">
 * </nr-radio-group>
 *
 * <!-- Button style with auto-width -->
 * <nr-radio-group
 *   type="button"
 *   auto-width
 *   .options='[
 *     { value: "yes", label: "Yes" },
 *     { value: "no", label: "No" },
 *     { value: "maybe", label: "Maybe" }
 *   ]'>
 * </nr-radio-group>
 * ```
 *
 * @fires nr-change - Dispatched when the selected option changes
 *
 * @slot helper-text - Helper text displayed below the radio group
 *
 * @csspart radio-group - The default radio group container
 * @csspart type-button - The button-style radio group container
 */
export declare class NrRadioGroupElement extends NrRadioGroupElement_base {
    static styles: import("lit").CSSResult;
    static useShadowDom: boolean;
    requiredComponents: string[];
    options: RadioButtonOption[];
    defaultValue: string;
    value: string;
    name: string;
    direction: 'horizontal' | 'vertical';
    type: RadioButtonType;
    required: boolean;
    disabled: boolean;
    size: 'small' | 'medium' | 'large';
    position: 'left' | 'right';
    autoWidth: boolean;
    helper: string;
    private groupController;
    private keyboardController;
    private focusController;
    private validationController;
    private rippleController;
    /**
     * Get the currently selected option - DELEGATES to controller
     */
    get selectedOption(): RadioButtonOption | undefined;
    /**
     * Check if an option is selected - DELEGATES to controller
     */
    isOptionSelected(option: RadioButtonOption): boolean;
    /**
     * Check if an option is disabled - DELEGATES to controller
     */
    isOptionDisabled(option: RadioButtonOption): boolean;
    /**
     * Check if an option is icon-only (has icon but no meaningful label)
     */
    isOptionIconOnly(option: RadioButtonOption): boolean;
    /**
     * Handle option selection change - DELEGATES to controller
     */
    handleSelectionChange(option: RadioButtonOption): void;
    /**
     * Set focused option by index - DELEGATES to controller
     */
    setFocusedOption(index: number): void;
    /**
     * Handle keyboard events - DELEGATES to controller
     */
    handleKeyDown(_event: KeyboardEvent): void;
    /**
     * Add ripple effect on radio input click - DELEGATES to controller
     */
    addRippleEffect(event: Event): void;
    /**
     * Validate the radio group - DELEGATES to controller
     */
    validate(): boolean;
    /**
     * Get validation message - DELEGATES to controller
     */
    get validationMessage(): string;
    /**
     * Check if the radio group is valid - DELEGATES to controller
     */
    get isValid(): boolean;
    /**
     * Get form data for form submission - DELEGATES to controller
     */
    getFormData(): {
        [key: string]: string;
    };
    /**
     * Reset the radio group - DELEGATES to controller
     */
    reset(): void;
    /**
     * FormData integration for native form submission - DELEGATES to controller
     */
    get formData(): FormData | null;
    /**
     * Check form validity (required for HTML5 form validation)
     */
    checkValidity(): boolean;
    /**
     * Report form validity (required for HTML5 form validation) - DELEGATES to controller
     */
    reportValidity(): boolean;
    /**
     * Programmatically focus the radio group - DELEGATES to controller
     */
    focus(): void;
    /**
     * Programmatically blur the radio group - DELEGATES to controller
     */
    blur(): void;
    /**
     * Render default radio button style using nr-radio component
     */
    private renderOptionDefault;
    /**
     * Render button style radio group
     */
    private renderOptionsWithButtons;
    /**
     * Render slot-based radio group (for custom HTML content) using nr-radio
     */
    private renderOptionsWithSlots;
    /**
     * Render button style with slots
     */
    private renderButtonsWithSlots;
    protected render(): import("lit-html").TemplateResult<1>;
}
export {};
//# sourceMappingURL=radio-group.component.d.ts.map