import type { INotifyPropertiesChanged } from '../../viewModels';
import type { IValidatable } from '../IValidatable';
import type { IValidator, ValidatorCallback } from '../IValidator';
import type { IObjectValidator, IValidationTriggersSet } from './IObjectValidator';
import { type IObservableCollection } from '../../collections';
/**
 * Represents the object validator configuration.
 * @template TValidatable The instance type that is being validated.
 * @template TValidationError The concrete type for representing validation errors (strings, enums, numbers etc.).
 */
export interface IObjectValidatorConfig<TValidatable extends IValidatable<TValidationError> & INotifyPropertiesChanged, TValidationError = string> {
    readonly target: TValidatable;
    shouldTargetTriggerValidation?(target: TValidatable, changedProperties: readonly (keyof TValidatable)[]): boolean;
}
/**
 * Represents a base implementation for an object validator.
 * @template TValidatable The instance type that is being validated.
 * @template TValidationError The concrete type for representing validation errors (strings, enums, numbers etc.).
 */
export declare class ObjectValidator<TValidatable extends IValidatable<TValidationError> & INotifyPropertiesChanged, TValidationError = string> implements IObjectValidator<TValidatable, TValidationError> {
    private static _defaultShouldTargetTriggerValidation;
    /**
     * Initializes a new instance of the {@linkcode ObjectValidator} class.
     * @param config The configuration to initialize the object validator with.
     */
    constructor(config: IObjectValidatorConfig<TValidatable, TValidationError>);
    /**
     * Gets the object that is being validated.
     */
    readonly target: TValidatable;
    /**
     * Gets the validators that have been configured.
     */
    readonly validators: IObservableCollection<IValidator<TValidatable, TValidationError>>;
    /**
     * Gets the validation triggers that have been configured.
     */
    readonly triggers: IValidationTriggersSet;
    /**
     * Configures the given validators and validates the target afterwards.
     * @param validators The validators to add.
     * @returns Returns the current object validator.
     */
    add(...validators: readonly (IValidator<TValidatable, TValidationError> | ValidatorCallback<TValidatable, TValidationError>)[]): this;
    /**
     * Validates the target using the currently configured validators. Validation does get triggered when the
     * target changes or when a trigger notifies that a validation should occur.
     *
     * Only use this method for specific cases where a validation need to be manually triggered, usually this
     * should not be the case.
     */
    validate(): TValidationError | null;
    /**
     * Resets the validator configuraiton, removes all triggers and validators and sets the error on the target to `null`.
     */
    reset(): this;
}