src/mobile.editor.overlay/mobile.editor.overlay.js
const m = require( './../mobile.startup/moduleLoaderSingleton' ),
SourceEditorOverlay = require( './SourceEditorOverlay' ),
VisualEditorOverlay = require( './VisualEditorOverlay' );
// Exposed for MobileFrontend mobile.init usage.
m.define( 'mobile.editor.overlay/SourceEditorOverlay', SourceEditorOverlay );
m.define( 'mobile.editor.overlay/VisualEditorOverlay', VisualEditorOverlay );