import { EventEmitter } from '../../stencil-public-runtime';
export type CheckboxSize = 'lg' | 'md' | 'sm' | 'xs';
export declare class Checkbox {
    internals: ElementInternals;
    private labelId;
    private descriptionId;
    /** Visible label and accessible name. Omitted only in presentation mode. */
    label: string;
    /** Optional supporting description associated with the checkbox. */
    description?: string;
    /** Current checked state. */
    checked: boolean;
    /** Visual and placement density. */
    size: CheckboxSize;
    /** Native form field name. */
    name: string | undefined;
    /** Submitted value when checked. */
    value: string;
    /** Native disabled state. */
    disabled: boolean;
    /** Require the checkbox to be checked for form validity. */
    required: boolean;
    /** Validation message used when a required checkbox is unchecked. */
    requiredMessage: string;
    /** Mixed visual state. Activation clears it before toggling checked. */
    indeterminate: boolean;
    /** Design-system inactive state. */
    isInactive: boolean;
    /** Visual-only indicator for a composite control that owns selection semantics. */
    presentation: boolean;
    /** Emitted after user activation with the new checked state. */
    dsChange: EventEmitter<boolean>;
    private initialChecked;
    private initialIndeterminate;
    private formDisabled;
    componentWillLoad(): void;
    syncFormValue(): void;
    formDisabledCallback(disabled: boolean): void;
    formResetCallback(): void;
    private handleActivate;
    private handleKeyDown;
    render(): any;
}
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