import { EventEmitter } from '../../stencil-public-runtime';
import { CheckedState } from './types';
/**
 * @slot checkedicon - Allows overriding the default checked icon.
 * @slot uncheckedicon - Allows overriding the unchecked icon.
 * @slot intermediateicon - If intermadiate state is used, allows overriding its icon.
 */
export declare class DnnCheckbox {
    el: HTMLDnnCheckboxElement;
    /** Defines if the checkbox is checked (true) or unchecked (false) or in an intermediate state (undefined) */
    checked: CheckedState;
    /** Defines if clicking the checkbox will go through the intermediate state between checked and unchecked (tri-state) */
    useIntermediate: boolean;
    /** The value for this checkbox (not to be confused with its checked state). */
    value: string;
    /** The name to show in the formData (if using forms). */
    name: string;
    /** If true, the checkbox needs to be checked for the form validation to succeed. */
    required: boolean;
    /** A function that will be called when the checkbox needs to change state and returns the next state.
     * Can be used to customize the order of the states when the component is clicked.
     * Only called if you also use the tri-state feature (useIntermediate).
     */
    nextStateHandler: (currentState: CheckedState) => CheckedState;
    /** Can be used to customize the validation message when the field is required but not checked. */
    requiredMessage: string;
    /** Fires up when the checkbox checked property changes. */
    checkedchange: EventEmitter<"checked" | "unchecked" | "intermediate">;
    handleClick(): void;
    /** Reports the input validity details. See https://developer.mozilla.org/en-US/docs/Web/API/ValidityState */
    checkValidity(): Promise<ValidityState>;
    focused: boolean;
    valid: boolean;
    internals: ElementInternals;
    private originalChecked;
    private button;
    componentWillLoad(): void;
    handleCheckedChange(newValue: CheckedState, oldValue: CheckedState): void;
    formResetCallback(): void;
    private defaultNextStateHandler;
    private changeState;
    private getButtonClasses;
    render(): any;
}