public static TypeBuilder<Schema> builder() {
    return new TypeBuilder<>(new SchemaCompletion(), new NameContext());
  }
@Test
  void testInt() {
    Schema.Type type = Schema.Type.INT;
    Schema simple = SchemaBuilder.builder().intType();
    Schema expected = primitive(type, simple);
    Schema built1 = SchemaBuilder.builder().intBuilder().prop("p", "v").endInt();
    assertEquals(expected, built1);
  }