/**
 * Checkbox input styling - directly styles the input element (no wrapper span needed).
 * Uses appearance-none to remove native styling, similar to RadioItem.
 */
export declare const cvaCheckbox: (props?: ({
    invalid?: boolean | null | undefined;
    state?: "selected" | "deselected" | "indeterminate" | null | undefined;
    disabled?: boolean | null | undefined;
} & import("class-variance-authority/types").ClassProp) | undefined) => string;
/**
 * Icon overlay container - positioned on top of the input, receives no pointer events
 */
export declare const cvaCheckboxIconOverlay: (props?: import("class-variance-authority/types").ClassProp | undefined) => string;
export declare const cvaCheckboxIcon: (props?: import("class-variance-authority/types").ClassProp | undefined) => string;