IntentionPreviewInfo (@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) { String extension = StringUtil.substringAfterLast(myNewFileName, "."); Icon icon = extension == null ? AllIcons.FileTypes.Any_type : FileTypeRegistry.getInstance().getFileTypeByExtension(extension).getIcon(); HtmlChunk description = getDescription(icon); return description == null ? IntentionPreviewInfo.EMPTY : new IntentionPreviewInfo.Html(description); }