add description and owner of the declarative config bridge

Author: zeitlinger

declarative-config-bridge/README.md

@@ -13,7 +13,7 @@ First, there is a configuration method that reads the properties and is unaware
 configuration:
 
 ```java
-public class InferredSpansConfig {
+class InferredSpansConfig {
   static SpanProcessor create(ConfigProperties properties) {
     // read properties here
     boolean backupDiagnosticFiles =
@@ -69,7 +69,7 @@ public class InferredSpansComponentProvider implements ComponentProvider<SpanPro
 
   @Override
   public SpanProcessor create(DeclarativeConfigProperties config) {
-    return InferredSpansAutoConfig.create(
+    return InferredSpansConfig.create(
         new DeclarativeConfigPropertiesBridgeBuilder()
             // crop the prefix, because the properties are under the "inferred_spans" processor
             .addMapping("otel.inferred.spans.", "")

inferred-spans/src/main/java/io/opentelemetry/contrib/inferredspans/InferredSpansComponentProvider.java

@@ -22,7 +22,7 @@ public String getName() {
 
   @Override
   public SpanProcessor create(DeclarativeConfigProperties config) {
-    return InferredSpansAutoConfig.create(
+    return InferredSpansConfig.create(
         new DeclarativeConfigPropertiesBridgeBuilder()
             // crop the prefix, because the properties are under the "inferred_spans" processor
             .addMapping("otel.inferred.spans.", "")

inferred-spans/src/main/java/io/opentelemetry/contrib/inferredspans/InferredSpansConfig.java

@@ -17,7 +17,10 @@
 import java.util.stream.Collectors;
 import javax.annotation.Nullable;
 
-public class InferredSpansConfig {
+class InferredSpansConfig {
+
+  private InferredSpansConfig() {}
+
   static final String ENABLED_OPTION = "otel.inferred.spans.enabled";
   static final String LOGGING_OPTION = "otel.inferred.spans.logging.enabled";
   static final String DIAGNOSTIC_FILES_OPTION = "otel.inferred.spans.backup.diagnostic.files";

inferred-spans/src/test/java/io/opentelemetry/contrib/inferredspans/InferredSpansAutoConfigTest.java

@@ -56,20 +56,20 @@ public void checkAllOptions(@TempDir Path tmpDir) {
     String libDir = tmpDir.resolve("foo").resolve("bar").toString();
     try (AutoConfigTestProperties props =
         new AutoConfigTestProperties()
-            .put(InferredSpansAutoConfig.ENABLED_OPTION, "true")
-            .put(InferredSpansAutoConfig.LOGGING_OPTION, "false")
-            .put(InferredSpansAutoConfig.DIAGNOSTIC_FILES_OPTION, "true")
-            .put(InferredSpansAutoConfig.SAFEMODE_OPTION, "16")
-            .put(InferredSpansAutoConfig.POSTPROCESSING_OPTION, "false")
-            .put(InferredSpansAutoConfig.SAMPLING_INTERVAL_OPTION, "7ms")
-            .put(InferredSpansAutoConfig.MIN_DURATION_OPTION, "2ms")
-            .put(InferredSpansAutoConfig.INCLUDED_CLASSES_OPTION, "foo*23,bar.baz")
-            .put(InferredSpansAutoConfig.EXCLUDED_CLASSES_OPTION, "blub,test*.test2")
-            .put(InferredSpansAutoConfig.INTERVAL_OPTION, "2s")
-            .put(InferredSpansAutoConfig.DURATION_OPTION, "3s")
-            .put(InferredSpansAutoConfig.LIB_DIRECTORY_OPTION, libDir)
+            .put(InferredSpansConfig.ENABLED_OPTION, "true")
+            .put(InferredSpansConfig.LOGGING_OPTION, "false")
+            .put(InferredSpansConfig.DIAGNOSTIC_FILES_OPTION, "true")
+            .put(InferredSpansConfig.SAFEMODE_OPTION, "16")
+            .put(InferredSpansConfig.POSTPROCESSING_OPTION, "false")
+            .put(InferredSpansConfig.SAMPLING_INTERVAL_OPTION, "7ms")
+            .put(InferredSpansConfig.MIN_DURATION_OPTION, "2ms")
+            .put(InferredSpansConfig.INCLUDED_CLASSES_OPTION, "foo*23,bar.baz")
+            .put(InferredSpansConfig.EXCLUDED_CLASSES_OPTION, "blub,test*.test2")
+            .put(InferredSpansConfig.INTERVAL_OPTION, "2s")
+            .put(InferredSpansConfig.DURATION_OPTION, "3s")
+            .put(InferredSpansConfig.LIB_DIRECTORY_OPTION, libDir)
             .put(
-                InferredSpansAutoConfig.PARENT_OVERRIDE_HANDLER_OPTION,
+                InferredSpansConfig.PARENT_OVERRIDE_HANDLER_OPTION,
                 NoOpParentOverrideHandler.class.getName())) {
 
       OpenTelemetry otel = GlobalOpenTelemetry.get();
@@ -112,10 +112,10 @@ public void checkDisabledbyDefault() {
   public void checkProfilerWorking() {
     try (AutoConfigTestProperties props =
         new AutoConfigTestProperties()
-            .put(InferredSpansAutoConfig.ENABLED_OPTION, "true")
-            .put(InferredSpansAutoConfig.DURATION_OPTION, "500ms")
-            .put(InferredSpansAutoConfig.INTERVAL_OPTION, "500ms")
-            .put(InferredSpansAutoConfig.SAMPLING_INTERVAL_OPTION, "5ms")) {
+            .put(InferredSpansConfig.ENABLED_OPTION, "true")
+            .put(InferredSpansConfig.DURATION_OPTION, "500ms")
+            .put(InferredSpansConfig.INTERVAL_OPTION, "500ms")
+            .put(InferredSpansConfig.SAMPLING_INTERVAL_OPTION, "5ms")) {
       OpenTelemetry otel = GlobalOpenTelemetry.get();
       List<SpanProcessor> processors = OtelReflectionUtils.getSpanProcessors(otel);
       assertThat(processors).filteredOn(proc -> proc instanceof InferredSpansProcessor).hasSize(1);