DefinitelyTyped/types/atom-keymap/atom-keymap-tests.ts

import { KeymapManager, ICompleteMatchEvent } from "atom-keymap";

var manager = new KeymapManager();
manager.add('some/unique/path', {
    '.workspace': {
        'ctrl-x': 'package:do-something',
        'ctrl-y': 'package:do-something-else'
    },
    '.mini.editor': {
        'enter': 'core:confirm'
    }
});

manager.onDidMatchBinding((event: ICompleteMatchEvent): void => {
    console.log(event.binding.command);
})

manager.destroy();