/**
 * The title this session should be showing.
 *
 * A name appears whenever one is being PAGED, which is less's own `?f`
 * test and needs no idea of who called: `lmn foo` and a library call
 * under --examine-file both open foo and both say so, while standard
 * input (path "-") and a library call over its own data have no name
 * to show and get the product alone.
 */
export declare function windowTitle(): string;
/**
 * Renames the process, so the terminal retitles itself.
 *
 * less's Windows build re-sets its title at every prompt; its own source
 * says the right place is the file switch ("{{ Seems like this should
 * be done in edit_ifile }}", command.c:969), which is where the name
 * can actually change.
 */
export declare function refreshWindowTitle(): void;