import { Writable } from 'svelte/store';
import { FormulaError } from './forms';
import { FormulaOptions } from './options';
/**
 * Internal type for object
 */
export declare type FormulaValue = Record<string, any>;
export declare type FormulaValueDefault = Record<string, unknown>;
declare type PartialFormValue<T, U> = Partial<Record<keyof T, U>>;
/**
 * The stores available in Formula
 */
export interface FormulaStores<T extends FormulaValue = FormulaValueDefault> {
    /**
     * A store containing the current form values
     */
    formValues: Writable<T>;
    /**
     * A store containing the values at the time of `<form>` submission
     */
    submitValues: Writable<T>;
    /**
     * A store containing the initial values
     */
    initialValues: Writable<T>;
    /**
     * A store containing the touched status of each named field
     */
    touched: Writable<PartialFormValue<T, boolean>>;
    /**
     * A store containing the dirty status of each named field
     */
    dirty: Writable<PartialFormValue<T, boolean>>;
    /**
     * A store containing the current validity of all named fields from HTML and custom validations
     */
    validity: Writable<PartialFormValue<T, FormulaError>>;
    /**
     * A store containing the current validity of all custom form validations
     */
    formValidity: Writable<Record<string, string | null>>;
    /**
     * A store containing a boolean value if the form is overall valid
     */
    isFormValid: Writable<boolean>;
    /**
     * Observable value if the form state is ready to be used
     */
    isFormReady: Writable<boolean>;
    /**
     * A store containing additional field enrichment
     */
    enrichment: Writable<Record<string, T>>;
}
/**
 * The Formula interface with stores and form factory
 */
export interface Formula<T extends FormulaValue = FormulaValueDefault> extends FormulaStores<T> {
    /**
     * The form object for use with the Svelte use directive
     * @param node
     */
    form: (node: HTMLElement) => {
        destroy: () => void;
    };
    /**
     * Update
     */
    updateForm: (updatedOpts?: FormulaOptions<T>) => void;
    /**
     * Destroy
     */
    destroyForm: () => void;
    /**
     * Resets the form to the initial value
     */
    resetForm: () => void;
    /**
     * Stores
     */
    stores: FormulaStores<T>;
}
export {};