import { FormModel } from './types/index';
import { LogLevel } from './controller/Logger';
import { CustomFunction, FunctionDefinition } from './rules/FunctionRuntime';
export declare const createFormInstance: {
    (formModel: any, callback?: ((f: FormModel) => any) | undefined, logLevel?: LogLevel, fModel?: any): FormModel;
    currentVersion: import("./utils/Version").Version;
};
export declare const createFormInstanceSync: (formModel: any, callback?: ((f: FormModel) => any) | undefined, logLevel?: LogLevel, fModel?: any) => Promise<FormModel>;
export declare const restoreFormInstance: (formModel: any, data?: any, { logLevel }?: {
    logLevel: LogLevel;
}) => FormModel;
export declare const validateFormInstance: (formModel: any, data: any) => boolean;
export declare const validateFormData: (formModel: any, data: any) => {
    messages: any[];
    valid: boolean;
};
export declare const fetchForm: (url: string, headers?: any) => Promise<string>;
export declare const registerFunctions: (functions: {
    [key: string]: Function | FunctionDefinition;
}) => void;