void (@NotNull Project project, @NotNull PsiFile file, @Nullable Editor editor, @NotNull PsiElement startElement, @NotNull PsiElement endElement) { PsiElement mapping = getMappingFromHighlightElement(startElement); if (mapping == null) { return; } final YAMLElementGenerator elementGenerator = YAMLElementGenerator.getInstance(project); int indent = YAMLUtil.getIndentToThisElement(mapping); PsiElement firstInsertedKey = null; for (final String missingKey : myMissingKeys) { mapping.add(elementGenerator.createEol()); mapping.add(elementGenerator.createIndent(indent)); PsiElement newElement = mapping.add(elementGenerator.createYamlKeyValue(missingKey, "")); if (firstInsertedKey == null) { firstInsertedKey = newElement; } } if (editor != null && firstInsertedKey != null) { editor.getCaretModel().moveToOffset(firstInsertedKey.getTextOffset() + firstInsertedKey.getTextLength()); } }