Added public accessors for client extension

Author: scottslewis

mcp-core/src/main/java/io/modelcontextprotocol/client/McpAsyncClient.java

@@ -181,7 +181,7 @@ public class McpAsyncClient {
 	 * @param features the MCP Client supported features. responses against output
 	 * schemas.
 	 */
-	McpAsyncClient(McpClientTransport transport, Duration requestTimeout, Duration initializationTimeout,
+	public McpAsyncClient(McpClientTransport transport, Duration requestTimeout, Duration initializationTimeout,
 			JsonSchemaValidator jsonSchemaValidator, McpClientFeatures.Async features) {
 
 		Assert.notNull(transport, "Transport must not be null");

mcp-core/src/main/java/io/modelcontextprotocol/client/McpClientFeatures.java

@@ -46,7 +46,7 @@
  * @see McpSchema.Implementation
  * @see McpSchema.ClientCapabilities
  */
-class McpClientFeatures {
+public class McpClientFeatures {
 
 	/**
 	 * Asynchronous client features specification providing the capabilities and request
@@ -64,7 +64,7 @@ class McpClientFeatures {
 	 * @param elicitationHandler the elicitation handler.
 	 * @param enableCallToolSchemaCaching whether to enable call tool schema caching.
 	 */
-	record Async(McpSchema.Implementation clientInfo, McpSchema.ClientCapabilities clientCapabilities,
+	public record Async(McpSchema.Implementation clientInfo, McpSchema.ClientCapabilities clientCapabilities,
 			Map<String, McpSchema.Root> roots, List<Function<List<McpSchema.Tool>, Mono<Void>>> toolsChangeConsumers,
 			List<Function<List<McpSchema.Resource>, Mono<Void>>> resourcesChangeConsumers,
 			List<Function<List<McpSchema.ResourceContents>, Mono<Void>>> resourcesUpdateConsumers,

mcp-core/src/main/java/io/modelcontextprotocol/client/McpSyncClient.java

@@ -75,7 +75,7 @@ public class McpSyncClient implements AutoCloseable {
 	 * @param contextProvider the supplier of context before calling any non-blocking
 	 * operation on underlying delegate
 	 */
-	McpSyncClient(McpAsyncClient delegate, Supplier<McpTransportContext> contextProvider) {
+	public McpSyncClient(McpAsyncClient delegate, Supplier<McpTransportContext> contextProvider) {
 		Assert.notNull(delegate, "The delegate can not be null");
 		Assert.notNull(contextProvider, "The contextProvider can not be null");
 		this.delegate = delegate;