import { type MessageFormatElement } from "./types.js";
/**
* Hoist all selectors to the beginning of the AST & flatten the
* resulting options. E.g:
* "I have {count, plural, one{a dog} other{many dogs}}"
* becomes "{count, plural, one{I have a dog} other{I have many dogs}}".
* If there are multiple selectors, the order of which one is hoisted 1st
* is non-deterministic.
* The goal is to provide as many full sentences as possible since fragmented
* sentences are not translator-friendly
* @param ast AST
*/
export declare function hoistSelectors(ast: MessageFormatElement[]): MessageFormatElement[];
interface IsStructurallySameResult {
	error?: Error;
	success: boolean;
}
/**
* Check if 2 ASTs are structurally the same. This primarily means that
* they have the same variables with the same type
* @param a
* @param b
* @returns
*/
export declare function isStructurallySame(a: MessageFormatElement[], b: MessageFormatElement[]): IsStructurallySameResult;
export {};