import { ComponentInterface, EventEmitter } from '../../stencil-public-runtime';
import { CheckboxValueType, LUFormCheckboxGroupValue } from '../../interface';
import { DatasourceInterface } from '../../types/datasource-interface';
export declare class CheckboxGroup implements ComponentInterface, DatasourceInterface {
    private inputId;
    mutationO?: MutationObserver;
    el: HTMLElement;
    /**
     * This is used when the parent form group receives the update event to tell the parent if it should validate or not.
     */
    isResetting: boolean;
    componentLoaded: boolean;
    /**
     * Added to the arial labelled on the native input
     */
    ariaLabeledByAddition: string;
    /**
     * Direction of elements
     */
    direction: 'down' | 'across';
    /**
     * id set dynamically
     */
    useId: string;
    /**
     * The name of the control, which is submitted with the form data.
     */
    name: string;
    /**
     * Tells if a at least one checkbox is required to be checked
     */
    required: boolean;
    /**
     * Used to add is-valid attribute signifying validity
     */
    valid: boolean;
    /**
     * Used to add is-invalid attribute signifying invalidity
     */
    invalid: boolean;
    /**
     * Value of contained checkboxes
     */
    value: CheckboxValueType[] | null;
    /**
     * @internal Set by for group component so this component knows if it can dynamically set the label
     */
    hasFormGroup: boolean;
    /**
     * emitted when all radio group is "blurred"
     */
    luBlur: EventEmitter<void>;
    /**
     * Emitted when the value has changed.
     */
    luChange: EventEmitter<LUFormCheckboxGroupValue>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    mutationCallback: (mutationList: MutationRecord[], _observer: MutationObserver) => void;
    handleNewCheckbox: (checkbox: HTMLLuCheckboxElement) => void;
    checkboxRemoved: (_checkbox: HTMLLuCheckboxElement) => void;
    /**
     * this gives us a handle to set focus on the element
     */
    setFocus(): Promise<void>;
    getCheckboxes: () => HTMLLuCheckboxElement[];
    /**
     * this gets the values
     */
    getValues(checkboxes: HTMLLuCheckboxElement[]): CheckboxValueType[];
    /**
     * this is used by the form validation/ form group to reset Value without initiating a validity check
     * @param update
     */
    updateValue(update: {
        name: string;
        checked: boolean;
    }[]): Promise<void>;
    valueChanged: () => void;
    render(): any;
}