import { EventEmitter } from '../../stencil-public-runtime';
import { type LabelPlacement } from '../../utils/constants';
/**
 * @slot default - Next to the label and description.
 * @slot main - Replaces the label and description.
 * @slot label - Content to be placed as the label, will override the label prop.
 * @slot description - Content to be placed as the description, will override the description prop.
 * @slot error-description - Content to be placed as the error description, will override the errorDescription prop.
 * @slot checked-icon - Content to be placed as the checked icon, will override the checkedIcon prop.
 * @slot indeterminate-icon - Content to be placed as the indeterminate icon, will override the indeterminateIcon prop.
 */
export declare class NvFieldcheckbox {
    el: HTMLNvFieldcheckboxElement;
    /****************************************************************************/
    /**
     * Message define a 'hint ' message for the Field.
     * @deprecated Use `description` instead.
     * */
    readonly message?: string;
    /**
     * The text for the validation message.
     * @deprecated Use `errorDescription` and set the error prop instead.
     * */
    readonly validation?: string;
    /**
     * When true, the label will be placed before the checkbox.
     * @deprecated Use `labelPlacement = end` instead.
     * */
    readonly labelBefore?: boolean;
    /****************************************************************************/
    /**
     * Sets the ID for the radio button’s input element and the for attribute of
     * the associated label. If no ID is provided, a random one will be
     * automatically generated to ensure unique identification, facilitating
     * proper label association and accessibility.
     */
    readonly inputId: string;
    /**
     * The name attribute for the checkbox input, used to reference the form data
     * after submission.
     */
    readonly name?: string;
    /**
     * The value attribute of the checkbox input, representing the value sent on
     * form submission when the checkbox is checked. When the form is submitted,
     * the data will consist of a name=value pair.
     */
    readonly value?: string;
    /**
     * The label displayed next to the checkbox.
     */
    readonly label?: string;
    /**
     * Determines the position of the label relative to the checkbox, either
     * 'start' (before) or 'end' (after).
     */
    labelPlacement: `${LabelPlacement}`;
    /**
     * Hides the label visually while still keeping it available for screen
     * readers.
     */
    readonly hideLabel: boolean;
    /**
     * A description providing additional context or information about the
     * checkbox.
     */
    description?: string;
    /**
     * Signals that there is an error associated with the checkbox, which can
     * trigger visual cues.
     * @validator error
     */
    error: boolean;
    /**
     * A description that appears when there is an error related to the checkbox.
     * @validator message
     */
    errorDescription?: string;
    /**
     * Indicates whether the checkbox is checked or not.
     */
    checked: boolean;
    /**
     * Indicates whether the checkbox is in an indeterminate state, typically used
     * for hierarchical checkboxes.
     */
    indeterminate: boolean;
    /**
     * Disables the checkbox, preventing user interaction.
     */
    readonly disabled: boolean;
    /**
     * Sets the checkbox to read-only, preventing user changes but still allowing
     * focus and selection of text.
     */
    readonly readonly: boolean;
    /**
     * Marks the checkbox as required, indicating that it must be checked for
     * form submission.
     * @note This uses the native HTML `required` attribute, which triggers browser validation.
     */
    readonly required: boolean;
    /**
     * Marks the checkbox as required for accessibility purposes without triggering
     * native HTML validation. Use this when implementing custom validation logic.
     * @note When set, this uses `aria-required` instead of the native `required` attribute.
     * This allows developers to implement custom validation while maintaining accessibility.
     * @note If this prop is not explicitly set, the component will check for the HTML attribute
     * 'aria-required' directly to determine if it should be applied.
     */
    readonly ariaRequiredAttr: boolean;
    /**
     * Applies focus to the input field as soon as the component is mounted. This
     * is equivalent to setting the native autofocus attribute on an <input>
     * element.
     */
    readonly autofocus: boolean;
    /****************************************************************************/
    /**
     * Emits when the checked state changes.
     * @bind checked
     */
    checkedChanged: EventEmitter<boolean>;
    /****************************************************************************/
    /**
     * Listens for the change event on the checkbox input element and updates the
     * checked state.
     * @param {Event} event - The change event.
     */
    handleChange(event: Event): void;
    /****************************************************************************/
    /**
     * Watches for changes to the checked state and emits the new value.
     * @param {boolean} checked - The new value of the checked state.
     */
    onCheckedChanged(checked: boolean): void;
    /****************************************************************************/
    componentWillRender(): void;
    /****************************************************************************/
    render(): any;
}