static @NotNull ByType fromTypes(@NotNull Class<? extends PsiElement> elementClass, @Nullable IElementType elementType, @NotNull Language fileLanguage) {
    return ourPlainInterner.intern(new ByType(elementClass, elementType, fileLanguage));
  }
static @NotNull ByType fromTypes(@NotNull Class<? extends PsiElement> elementClass, @Nullable IElementType elementType, @NotNull Language fileLanguage)