/**
 * Resolve $ref definition and set properties on field
 * @param schema - json schema all properties
 * @param schemaProperties - json schema level
 * @returns the updated schema
 */
export declare function resolve$ref(schema: any, schemaProperties: any): any;
/**
 * Process JSONSchema
 * This re-order the object properties given a local defined
 * `propertiesOrder` property.
 * The process the required properties given a local defined
 * `required` property.
 * @param schema - object, the JSONSchema
 * @returns object, a converted JSONSchema
 */
export declare function processJsonSchema(schema: any): any;
/**
 * Replace $ref by pid
 *
 * @param schema - object, the JSONSchema
 * @param data - object, the data to be cleaned
 * @returns object, a fresh copy of the data with replacements
 */
export declare function resolveRefs(data: any): any;
/**
 * Tell if a value can be considered as empty
 * @param value - any, the value to check
 * @returns boolean, true if the value is empty
 */
export declare function isEmpty(value: any): boolean;
/**
 * Recursively remove the empty values
 * @param data - object, the data to be cleaned
 * @returns object, a fresh copy of the clean data
 */
export declare function removeEmptyValues(data: any): any;