import { WidgetRegistry } from './widget.registry';
/**
 * Validates json data against a schema.
 *
 * @author Wael Jammal
 */
export declare class SchemaValidator {
    private wr;
    private validator;
    /**
     * Sets up validator.
     *
     * @param wr Widget registry
     */
    constructor(wr: WidgetRegistry);
    /**
     * Returns true if schema is valid.
     *
     * @param schemaPart Schema to validate
     * @param data Data to validate
     */
    validate(schemaPart: any, data: any): boolean;
    /**
     * Returns validation errors.
     *
     * @param schemaPart Schema to validate
     * @param data Data to validate
     */
    validationErrors(schemaPart: any, data: any): Array<any>;
    /**
     * Registers additional formatters.
     */
    private addFormatters;
}