import type { Nullable } from '../typings/Types.js';
import type { Validation, ValidationBehaviour, ValidationLevel } from './ValidationWrapperInternal.js';
export declare function getVisibleValidation(visible: Nullable<Validation>, actual: Nullable<Validation>, changing: boolean): Nullable<Validation>;
export declare function getType(validation: Nullable<Validation>): Nullable<ValidationBehaviour>;
export declare function getLevel(validation: Nullable<Validation>): Nullable<ValidationLevel>;
export declare function getIndependent(validation: Nullable<Validation>): Nullable<boolean>;
export declare function isEqual(a: Nullable<Validation>, b: Nullable<Validation>): boolean;