Match options against parsing result.

    Checks whether an existing build options matches a set of flags provided through an option parser (for example from the command line or a file).

    Step 2/N towards the platforms mapping functionality for bazelbuild/bazel#6426

    RELNOTES: None.
    PiperOrigin-RevId: 238085427

dataset/GitHub_Java/bazelbuild.bazel/src/main/java/com/google/devtools/build/lib/analysis/config/BuildOptions.java

@@ -192,11 +192,6 @@ public Collection<FragmentOptions> getNativeOptions() {
     return fragmentOptionsMap.values();
   }
 
-  /** Returns the set of fragment classes contained in these options. */
-  public Set<Class<? extends FragmentOptions>> getFragmentClasses() {
-    return fragmentOptionsMap.keySet();
-  }
-
   public ImmutableMap<Label, Object> getStarlarkOptions() {
     return skylarkOptionsMap;
   }

dataset/GitHub_Java/bazelbuild.bazel/src/test/java/com/google/devtools/build/lib/analysis/config/BuildOptionsTest.java

@@ -389,19 +389,6 @@ public void parsingResultTransformIllegalStarlarkLabel() throws Exception {
     assertThrows(IllegalArgumentException.class, () -> original.applyParsingResult(parser));
   }
 
-  @Test
-  public void parsingResultTransformMultiValueOption() throws Exception {
-    BuildOptions original = BuildOptions.of(BUILD_CONFIG_OPTIONS);
-
-    OptionsParser parser = OptionsParser.newOptionsParser(BUILD_CONFIG_OPTIONS);
-    parser.parse("--features=foo");
-
-    BuildOptions modified = original.applyParsingResult(parser);
-
-    assertThat(modified.get(BuildConfiguration.Options.class).defaultFeatures)
-        .containsExactly("foo");
-  }
-
   @Test
   public void parsingResultMatch() throws Exception {
     BuildOptions original = BuildOptions.of(BUILD_CONFIG_OPTIONS, "--cpu=foo", "--stamp");