Document (@Nullable Project project, @NotNull String content, @Nullable FileType fileType, @NotNull @NonNls @SystemIndependent String lightFilePath, boolean readOnly) { Document document = createPsiDocument(project, content, fileType, lightFilePath, readOnly); if (document == null) { document = EditorFactory.getInstance().createDocument(content); document.setReadOnly(readOnly); } return document; }