import { IBase } from '../base-models/library-interfaces';
/**
 * Determine if all the provided elements are empty
 *
 * @privateRemarks
 * Loosely based on HAPI FHIR ca.uhn.fhir-core.util.ElementUtil
 *
 * @param elements - FHIR instance's data elements
 * @returns `true` if all provided elements are empty; `false` if at least one element is not empty
 *
 * @category Utilities
 */
export declare function isElementEmpty(...elements: (IBase | IBase[] | undefined | null)[]): boolean;
/**
 * Determine if any of the provided required elements (min cardinality > 0) are empty
 *
 * @param elements - FHIR instance's required data elements
 * @returns `true` if any of the provided required elements are empty; `false` if all required elements are not empty
 *
 * @category Utilities
 */
export declare function isRequiredElementEmpty(...elements: (IBase | IBase[] | undefined | null)[]): boolean;
/**
 * Validate the provided url. The url must be a non-blank valid fhirUri.
 *
 * @param url - url to test
 * @throws [AssertionError](https://nodejs.org/docs/latest-v22.x/api/assert.html#class-assertassertionerror) for invalid url
 *
 * @category Utilities
 */
export declare function validateUrl(url: string): void;
/**
 * Extract the field name from sourceField
 *
 * @param sourceField - fully specified source field name (e.g., 'Group.member.entity')
 * @returns the field name (e.g., 'entity')
 *
 * @category Utilities
 */
export declare function extractFieldName(sourceField: string): string;
/**
 * Return a deep copy of the source contents. Returns an empty array if source is undefined or null.
 * The calling code can decide on how to interpret the empty array (e.g., undefined for an optional
 * property or null for an uninitialized required property).
 *
 * @param source - source array to copy
 * @returns copy of the source array or an empty array if source is undefined/null
 *
 * @category Utilities
 */
export declare function copyListValues<T extends IBase>(source: T[] | undefined | null): T[];
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