import { UsermavenClient } from '../core/client';
export default class FormTracking {
    private instance;
    private formElements?;
    private trackingType;
    private options;
    private static instance;
    private constructor();
    private initialize;
    private setupFormTracking;
    private handleFormSubmit;
    private trackFieldChanges;
    static getInstance(instance: UsermavenClient, trackingType?: 'all' | 'tagged' | 'none', options?: FormTrackingOptions): FormTracking;
    private _getFormDetails;
    private _getFieldProps;
    private _getElementAttributes;
    private _convertDOMStringMapToObject;
    private getSafeText;
    private _scrubPotentiallySensitiveValues;
    private _shouldCaptureValue;
    private _isNullish;
    private _isString;
    private _trim;
}
interface FormTrackingOptions {
    trackFieldChanges?: boolean;
}
export {};