make component loader internal to give it time to incubate

docs/apidiffs/current_vs_latest/opentelemetry-sdk-extension-autoconfigure.txt

@@ -1,14 +1,5 @@
 Comparing source compatibility of  against 
 ***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdkBuilder  (not serializable)
 	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
-	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdkBuilder setComponentLoader(io.opentelemetry.sdk.autoconfigure.ComponentLoader)
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdkBuilder setComponentLoader(io.opentelemetry.sdk.autoconfigure.internal.ComponentLoader)
 	***  MODIFIED METHOD: PUBLIC (<- PACKAGE_PROTECTED) io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdkBuilder setConfig(io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties)
-+++  NEW INTERFACE: PUBLIC(+) ABSTRACT(+) io.opentelemetry.sdk.autoconfigure.ComponentLoader  (not serializable)
-	+++  CLASS FILE FORMAT VERSION: 52.0 <- n.a.
-	+++  NEW SUPERCLASS: java.lang.Object
-	+++  NEW METHOD: PUBLIC(+) ABSTRACT(+) java.lang.Iterable<T> load(java.lang.Class<T>)
-		GENERIC TEMPLATES: +++ T:java.lang.Object
-	+++  NEW METHOD: PUBLIC(+) java.util.Map<java.lang.String,T> loadConfigurableProviders(java.lang.Class<T>)
-		GENERIC TEMPLATES: +++ T:io.opentelemetry.sdk.autoconfigure.spi.ConfigurableProvider
-	+++  NEW METHOD: PUBLIC(+) java.util.List<T> loadOrdered(java.lang.Class<T>)
-		GENERIC TEMPLATES: +++ T:io.opentelemetry.sdk.autoconfigure.spi.Ordered

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/AutoConfiguredOpenTelemetrySdkBuilder.java

@@ -13,6 +13,7 @@
 import io.opentelemetry.context.propagation.TextMapPropagator;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
 import io.opentelemetry.sdk.OpenTelemetrySdkBuilder;
+import io.opentelemetry.sdk.autoconfigure.internal.ComponentLoader;
 import io.opentelemetry.sdk.autoconfigure.internal.SpiHelper;
 import io.opentelemetry.sdk.autoconfigure.spi.AutoConfigurationCustomizer;
 import io.opentelemetry.sdk.autoconfigure.spi.AutoConfigurationCustomizerProvider;

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/ComponentLoader.java → sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/internal/ComponentLoader.java

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.sdk.autoconfigure;
+package io.opentelemetry.sdk.autoconfigure.internal;
 
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurableProvider;
 import io.opentelemetry.sdk.autoconfigure.spi.Ordered;
@@ -14,7 +14,12 @@
 import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
 
-/** A loader for components that are discovered via SPI. */
+/**
+ * A loader for components that are discovered via SPI.
+ *
+ * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
+ * at any time.
+ */
 public interface ComponentLoader {
   <T> Iterable<T> load(Class<T> spiClass);
 

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/internal/SpiHelper.java

@@ -5,7 +5,6 @@
 
 package io.opentelemetry.sdk.autoconfigure.internal;
 
-import io.opentelemetry.sdk.autoconfigure.ComponentLoader;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurableProvider;
 import io.opentelemetry.sdk.autoconfigure.spi.Ordered;

sdk-extensions/autoconfigure/src/test/java/io/opentelemetry/sdk/autoconfigure/AutoConfiguredOpenTelemetrySdkTest.java

@@ -36,6 +36,7 @@
 import io.opentelemetry.context.propagation.TextMapPropagator;
 import io.opentelemetry.internal.testing.slf4j.SuppressLogger;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.autoconfigure.internal.ComponentLoader;
 import io.opentelemetry.sdk.autoconfigure.internal.SpiHelper;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurationException;

sdk-extensions/autoconfigure/src/test/java/io/opentelemetry/sdk/autoconfigure/internal/SpiHelperTest.java

@@ -15,7 +15,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import io.opentelemetry.sdk.autoconfigure.ComponentLoader;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurableProvider;
 import io.opentelemetry.sdk.autoconfigure.spi.ResourceProvider;