src/vs/workbench/browser/editor.ts/EditorRegistry/getEditorInputs
class EditorRegistry:	getEditorInputs(): SyncDescriptor<EditorInput>[] {
		const inputClasses: SyncDescriptor<EditorInput>[] = [];
		for (const editor of this.editors) {
			const editorInputDescriptors = this.mapEditorToInputs.get(editor);
			if (editorInputDescriptors) {
				inputClasses.push(...editorInputDescriptors.map(descriptor => descriptor.ctor));
			}
		}

		return inputClasses;
	}