import { EventEmitter } from '../../stencil-public-runtime';
import type { IconName } from '../icon/exports';
/**
 * Groups multiple `r-checkbox` elements under a shared label with optional select-all functionality, validation, and native form integration.
 *
 * Example:
 * ```
 * <r-checkbox-group name="preferences" label="Select your preferences">
 *   <r-checkbox value="news">News updates</r-checkbox>
 *   <r-checkbox value="offers">Special offers</r-checkbox>
 *   <r-checkbox value="events">Events</r-checkbox>
 * </r-checkbox-group>
 * ```
 *
 * @part content - Wrap for the group of checkboxes
 * @part label - Label element for the group
 *
 * @slot - Checkbox items (`r-checkbox` elements) inside the group
 * @slot label - Custom label content for the group
 * @slot popover - Popover element (`r-popover`) attached to the group label
 */
export declare class CheckboxGroup {
    host: HTMLRCheckboxGroupElement;
    /**
     * Specifies the `id` of the `<form>` to which the element belongs.
     * */
    form?: string;
    /**
     * Specifies `name` property of the 'select-all' checkbox, representing the group as a whole.
     * */
    name?: string;
    /**
     * Specifies `value` property of the 'select-all', representing the group as a whole.
     * */
    value: string;
    /**
     * Specifies whether the `value` is required.
     */
    required?: boolean;
    /** Set custom message for `valueMissing` property
     * of a ValidityState object (set by `required`)
     * within Constrain Validation API
     * */
    valueMissingMessage?: string;
    /** Apply validation success visual style */
    valid?: boolean;
    /** Apply validation error visual style */
    invalid?: boolean;
    /** Custom validation error message */
    error?: string;
    /** Set custom message for `customError` property of a ValidityState object
     * indicating whether the element's custom validity message has been set to a non-empty
     * string by calling the element's setCustomValidity() method. */
    customErrorMessage?: string;
    /**
     * The label for the checkbox group.
     */
    label: string;
    /**
     * An optional field indicator for the label.
     */
    fieldIndicator?: string;
    /**
     * Help text for the checkbox group.
     */
    help?: string;
    /**
     * An optional icon to display in the help text.
     */
    helpIcon?: IconName;
    /**
     * The color of the help icon.
     */
    helpIconColor?: string;
    /**
     * A hint providing additional information for the checkbox group.
     */
    hint?: string;
    /**
     * Whether to show a "Select All" checkbox.
     */
    showSelectAll?: boolean;
    /** Specifies if element must be ignored during validation of the form elements */
    novalidate?: boolean;
    /** Specifies if select-all checkbox is initially in checked state */
    checked?: boolean;
    /**
     * @deprecated – use `indeterminate` instead; will be removed during next major release.
     *
     * Specifies if select-all checkbox is initially in indetermitate state */
    indetermitate?: boolean;
    /** Specifies if select-all checkbox is initially in indeterminate state */
    indeterminate?: boolean;
    /** Emits event after each validation */
    rValidate: EventEmitter<{
        state: string;
        message: string;
    }>;
    isIndeterminate: boolean;
    allChecked: boolean;
    noChecked: boolean;
    validityState: string;
    validityMessage: string;
    private uniqueId;
    private initial;
    /** Validates the checkbox group, displays provided message in case value is invalid. */
    setCustomValidity(message: string): Promise<void>;
    /**
     * Validates the checkbox group without triggering UI and returns a boolean indicating its validity.
     * @returns A boolean indicating whether the checkbox is valid.
     */
    checkValidity(): Promise<boolean>;
    /**
     * Resets the validity state and message of the radio group.
     * This method clears the validity message and state, and sets the invalid
     * property to its initial value.
     */
    resetValidity(): Promise<void>;
    /**
     * @returns {HTMLRCheckboxElement[]} - Returns all checkboxes in the slot.
     */
    private get checkboxes();
    private get hasMessage();
    /**
     * Checks all checkboxes in the slot.
     */
    checkAll(): Promise<this>;
    /**
     * Unchecks all checkboxes in the slot.
     */
    uncheckAll(): Promise<this>;
    handleCheckboxChange(event: CustomEvent): void;
    private updateCheckAllState;
    private updateCheckboxesState;
    private get message();
    private renderMessage;
    private getValidityStateData;
    private validateGroup;
    private get parentFormEl();
    private get isNoValidate();
    private onSubmitForm;
    private onResetForm;
    private resetToInitial;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private get groupDescribedby();
    render(): any;
}