import type { CompositeFunctionDescriptor } from './descriptors';
export declare function AddExtendedFunction(name: string, descriptor: CompositeFunctionDescriptor): void;
/**
 * add alias. use this for functions that are identical except for the name.
 * for example we can alias the old function 'GAMMADIST' to the modern function 'GAMMA.DIST'.
 *
 * aliases will be added _after_ functions so this can be called at any time.
 *
 * @param aliases - an array of [alias_name, original_function_name] pairs
 *
 */
export declare function AddAlias(aliases: [string, string][]): void;