public @NotNull YAMLQuotedTextImpl createYamlDoubleQuotedString() {
    final YAMLFile tempFile = createDummyYamlWithText("\"foo\"");
    return PsiTreeUtil.collectElementsOfType(tempFile, YAMLQuotedTextImpl.class).iterator().next();
  }
public @NotNull YAMLQuotedTextImpl createYamlDoubleQuotedString()