import type { Form } from "./form";
import type { FormControlElement } from "./formControlElement";
import type { Validator, ValidationErrors, ErrorMap } from "./validator";
/** A FormControl represents the state of a {@link FormControlElement} like (input, textarea...) */
export declare class FormControl {
    validators: Validator[];
    /**
     * Returns an object containing possible validation errors
     * @example
     * (All validators are throwing an error)
     * `{ required: true, minLength: 4, maxLength: 20 }`
     * (Only required is invalid)
     * `{ required: true }`
     */
    errors: ValidationErrors;
    /**
     * Contains a map of values, that will be shown
     * in place of the original validation error.
     */
    errorMap: ErrorMap;
    /**
     * The DOM elements representing this control
     */
    elements: FormControlElement[];
    /** Does the FormControl pass all given validators? */
    valid: boolean;
    /**
     * If the FormControl has been interacted with.
     * (triggered by blur event)
     */
    _touched: boolean;
    /** The initial value of the FormControl. Defaults to `""` if not set via `useForm(params)`. */
    initial: string;
    private readonly formRef;
    private _value;
    get value(): string;
    get touched(): boolean;
    /**
     * This will only change the internal value of the control, not the one displayed in the actual HTML-Element
     *
     * See `change(value: String)` for doing both
     */
    set value(value: string);
    set touched(value: boolean);
    constructor(formControl: {
        value: string;
        validators: Validator[];
        errorMap: ErrorMap;
        elements: FormControlElement[];
        formRef: () => Form<any>;
    });
    /**
     * Set an error manually.
     *
     * The error will be removed after changes to the value or on validate()
     *
     * Used for setting an error that would be difficult to implement with a validator.
     * @example Backend Response returning Login failed
     * ``` typescript
     * function submit() {
     *    apiLogin($form.values).then(response => {})
     *    .catch(error => {
     *        if (error.status === 403) {
     *            $form.password.error({ login: "Password or username is incorrect" });
     *        }
     *    })
     * }
     * ```
     */
    error(errors: ValidationErrors): void;
    /** Change the value and the value of all HTML-Elements associated with this control */
    change(value: any): void;
    /** Validate the FormControl by querying through the given validators. */
    validate(): boolean;
    /** Reset the form control value to its initial value or `{ value }` and untouch it */
    reset({ value }?: {
        value?: string | null;
    }): void;
}