diff --git a/pom.xml b/pom.xml
index 39c4e34..79eff88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,10 +43,10 @@
 		<maven.compiler.source>11</maven.compiler.source>
 		<maven.compiler.target>11</maven.compiler.target>
 
-		<junit.version>5.10.0</junit.version>
-		<spring.version>6.0.19</spring.version>
-		<jackson.version>2.17.2</jackson.version>
-		<cxf.version>4.0.5</cxf.version>
+		<junit.version>5.12.0</junit.version>
+		<spring.version>6.0.23</spring.version>
+		<jackson.version>2.17.3</jackson.version>
+		<cxf.version>4.0.6</cxf.version>
 	</properties>
 
 	<dependencies>
@@ -78,12 +78,12 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.14.0</version>
+			<version>3.17.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>2.0.13</version>
+			<version>2.0.17</version>
 		</dependency>
 		<dependency>
 			<groupId>jakarta.ws.rs</groupId>
@@ -146,7 +146,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.1.0</version>
+				<version>3.4.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>org.junit.jupiter</groupId>
@@ -157,7 +157,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-failsafe-plugin</artifactId>
-				<version>3.1.0</version>
+				<version>3.4.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>org.junit.jupiter</groupId>
@@ -213,7 +213,7 @@
 					<plugin>
 						<groupId>org.sonatype.plugins</groupId>
 						<artifactId>nexus-staging-maven-plugin</artifactId>
-						<version>1.6.13</version>
+						<version>1.6.14</version>
 						<configuration>
 							<serverId>ossrh</serverId>
 							<nexusUrl>https://s01.oss.sonatype.org/</nexusUrl>
diff --git a/src/main/java/com/inteligr8/rs/BasicAuthorizationFilter.java b/src/main/java/com/inteligr8/rs/BasicAuthorizationFilter.java
index 0d11761..f676839 100755
--- a/src/main/java/com/inteligr8/rs/BasicAuthorizationFilter.java
+++ b/src/main/java/com/inteligr8/rs/BasicAuthorizationFilter.java
@@ -34,6 +34,8 @@ public class BasicAuthorizationFilter implements AuthorizationFilter {
 	private final String password;
 	
 	/**
+	 * This constructor instantiates the filter with required fields.
+	 * 
 	 * @param username A username or access key.
 	 * @param password A password or secret key.
 	 */
diff --git a/src/main/java/com/inteligr8/rs/BearerTokenAuthorizationFilter.java b/src/main/java/com/inteligr8/rs/BearerTokenAuthorizationFilter.java
index 84fb6a5..716265c 100755
--- a/src/main/java/com/inteligr8/rs/BearerTokenAuthorizationFilter.java
+++ b/src/main/java/com/inteligr8/rs/BearerTokenAuthorizationFilter.java
@@ -32,6 +32,8 @@ public class BearerTokenAuthorizationFilter implements AuthorizationFilter {
 	private final String token;
 	
 	/**
+	 * This constructor instantiates the filter with required fields.
+	 * 
 	 * @param token A 'Bearer' token.
 	 */
 	public BearerTokenAuthorizationFilter(String token) {
diff --git a/src/main/java/com/inteligr8/rs/Client.java b/src/main/java/com/inteligr8/rs/Client.java
index 2af9cbf..2c1c84e 100644
--- a/src/main/java/com/inteligr8/rs/Client.java
+++ b/src/main/java/com/inteligr8/rs/Client.java
@@ -26,7 +26,7 @@ import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.jakarta.rs.json.JacksonJsonProvider;
 
 /**
- * A class that provides pre-configured JAX-RS Client &amp; WebTarget objects.
+ * A class that provides pre-configured Jakarta RS Client &amp; WebTarget objects.
  * 
  * @author brian@inteligr8.com
  */
@@ -36,12 +36,17 @@ public abstract class Client {
 	private jakarta.ws.rs.client.Client client;
 	
 	/**
+	 * This method retrieves the configuration for the client.
+	 * 
 	 * @return The client configuration.
 	 */
 	public abstract ClientConfiguration getConfig();
 	
 	/**
-	 * @return A pre-configured JAX-RS client (no URL) with configured authorization.
+	 * This method retrieves an anonymous cached instance of the underlying
+	 * Jakarta RS client.
+	 * 
+	 * @return A pre-configured Jakarta RS client (no URL) with configured authorization.
 	 */
 	public final jakarta.ws.rs.client.Client getClient() {
 		synchronized (this.sync) {
@@ -53,8 +58,11 @@ public abstract class Client {
 	}
 	
 	/**
+	 * This method retrieves either an anonymous cached instance or builds an
+	 * authorized instance of the underlying Jakarta RS client.
+	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
+	 * @return A pre-configured Jakarta RS client (no URL) with the specified authorization.
 	 */
 	public jakarta.ws.rs.client.Client getClient(AuthorizationFilter authFilter) {
 		if (authFilter == null) {
@@ -65,8 +73,10 @@ public abstract class Client {
 	}
 	
 	/**
+	 * This method builds a new Jakarta RS client with optional authorization.
+	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
+	 * @return A pre-configured Jakarta RS client (no URL) with the specified authorization.
 	 */
 	public final jakarta.ws.rs.client.Client buildClient(AuthorizationFilter authFilter) {
 	    ObjectMapper om = new ObjectMapper();
@@ -101,14 +111,19 @@ public abstract class Client {
 	}
     
     /**
-     * @param clientBuilder A client builder
+	 * This method allows sub-classes to extend the Jakarta RS client builder
+	 * before the client is built.
+	 * 
+     * @param clientBuilder A Jakarta RS client builder.
      */
     public void buildClient(ClientBuilder clientBuilder) {
         // for extension purposes
     }
 
 	/**
-	 * @return A pre-configured JAX-RS target (client w/ base URL) with configured authorization.
+	 * This method builds an anonymous Jakarta RS target.
+	 * 
+	 * @return A pre-configured Jakarta RS target (client w/ base URL) with configured authorization.
 	 */
 	public final WebTarget getTarget() {
 		return this.getClient()
@@ -116,8 +131,10 @@ public abstract class Client {
 	}
 
 	/**
+	 * This method builds an authorized Jakarta RS target.
+	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured JAX-RS target (client w/ base URL) with the specified authorization.
+	 * @return A pre-configured Jakarta RS target (client w/ base URL) with the specified authorization.
 	 */
 	public WebTarget getTarget(AuthorizationFilter authFilter) {
 		if (authFilter == null) {
@@ -129,10 +146,10 @@ public abstract class Client {
 	}
 	
 	/**
-	 * This method retrieves a JAX-RS implementation of the specified API.
+	 * This method retrieves a Jakarta RS implementation of the specified API.
 	 * 
-	 * @param <T> A JAX-RS annotated API class.
-	 * @param apiClass A JAX-RS annotated API class.
+	 * @param <T> A Jakarta RS annotated API class.
+	 * @param apiClass A Jakarta RS annotated API class.
 	 * @return An instance of the API class.
 	 */
 	public final <T> T getApi(Class<T> apiClass) {
@@ -140,12 +157,12 @@ public abstract class Client {
 	}
 
 	/**
-	 * This method retrieves a JAX-RS implementation of the specified API with
+	 * This method retrieves a Jakarta RS implementation of the specified API with
 	 * the specified authorization.
 	 * 
-	 * @param <T> A JAX-RS annotated API class.
+	 * @param <T> A Jakarta RS annotated API class.
 	 * @param authFilter A dynamic authorization filter.
-	 * @param apiClass A JAX-RS annotated API class.
+	 * @param apiClass A Jakarta RS annotated API class.
 	 * @return An instance of the API class.
 	 */
 	public abstract <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass);
diff --git a/src/main/java/com/inteligr8/rs/ClientConfiguration.java b/src/main/java/com/inteligr8/rs/ClientConfiguration.java
index 9eda168..2db8a1f 100644
--- a/src/main/java/com/inteligr8/rs/ClientConfiguration.java
+++ b/src/main/java/com/inteligr8/rs/ClientConfiguration.java
@@ -30,89 +30,127 @@ import jakarta.ws.rs.client.ClientBuilder;
 public interface ClientConfiguration {
 	
 	/**
-	 * @return The base or root URL of the service.
+	 * This method retrieves the base/root URL of the client service.
+	 * 
+	 * @return The URL.
 	 */
 	String getBaseUrl();
 	
 	/**
-	 * @return The username for BASIC authentication.
+	 * This method retrieves the username to use in HTTP BASIC authentication/authorization.
+	 * 
+	 * @return A username.
 	 */
 	default String getBasicAuthUsername() {
 		return null;
 	}
 
 	/**
-	 * @return The corresponding password for the username in BASIC authentication.
+	 * This method retrieves the password to use in HTTP BASIC authentication/authorization.
+	 * 
+	 * @return The corresponding password for the username.
 	 */
 	default String getBasicAuthPassword() {
 		return null;
 	}
 	
 	/**
-	 * @return The client ID for Client Enforcement authentication.
+	 * This method retrieves the client identifier to use in Client Enforcement authorization.
+	 * 
+	 * @return A client identifier.
 	 */
 	default String getClientId() {
 		return null;
 	}
 
 	/**
-	 * @return The corresponding client secret for the client ID in Client Enforcement authentication.
+	 * This method retrieves the client secret to use in Client Enforcement authorization.
+	 * 
+	 * @return The corresponding client secret for the client identifier.
 	 */
 	default String getClientSecret() {
 		return null;
 	}
 	
 	/**
-	 * @return The token for BEARER authorization.
+	 * This method retrieves the token to use in HTTP BEARER authorization.
+	 * This is provided in a response to the token URL.
+	 * 
+	 * @return An access token.
 	 */
 	default String getBearerToken() {
 		return null;
 	}
 	
 	/**
-	 * @return The token URL for OAuth authorization.
+	 * This method retrieves the token URL to use for OAuth authorization.
+	 * The value can be pulled from OAuth endpoint well-known meta-data.  That
+	 * endpoint or the token URL itself may also be provided OAuth IdP
+	 * administrator.
+	 * 
+	 * @return An OAuth token URL.
 	 */
 	default String getOAuthTokenUrl() {
 		return null;
 	}
 	
 	/**
-	 * @return The client ID provided by the OAuth IdP administrator.
+	 * This method retrieves the client identifier to use in OAuth
+	 * authorization.  This is provided by the OAuth IdP administrator or
+	 * tooling.
+	 * 
+	 * @return A client identifier.
 	 */
 	default String getOAuthClientId() {
 		return this.getClientId();
 	}
 
 	/**
-	 * @return The corresponding client secret for the client ID provided by the OAuth IdP administrator.
+	 * This method retrieves the client secret to use in OAuth authorization.
+	 * This is provided by the OAuth IdP administrator or tooling.
+	 * 
+	 * @return The corresponding client secret for the client identifier.
 	 */
 	default String getOAuthClientSecret() {
 		return this.getClientSecret();
 	}
 	
 	/**
-	 * @return The authorization code used in the OAuth Authorization Code flow.
+	 * This method retrieves the authorization code to use in OAuth
+	 * Authorization Code flow.  This is provided by the OAuth IdP
+	 * administrator or tooling.
+	 * 
+	 * @return An authorization code.
 	 */
 	default String getOAuthAuthCode() {
 		return null;
 	}
 	
 	/**
-	 * @return The redirect URL used in the OAuth Authorization Code flow.
+	 * This method retrieves the redirect URL to use in OAuth Authorization
+	 * Code flow.  This has meaning to the client-side web application.
+	 * 
+	 * @return A URL for the OAuth flow to redirect to when complete.
 	 */
 	default String getOAuthAuthRedirectUri() {
 		return null;
 	}
 	
 	/**
-	 * @return The username used in the OAuth Password Grant flow.
+	 * This method retrieves the username to use in OAuth Password Grant flow.
+	 * This is provided by the OAuth IdP administrator or tooling.
+	 * 
+	 * @return A username.
 	 */
 	default String getOAuthUsername() {
 		return null;
 	}
 	
 	/**
-	 * @return The corresponding password for the username used in the OAuth Password Grant flow.
+	 * This method retrieves the password to use in OAuth Password Grant flow.
+	 * This is provided by the OAuth IdP administrator or tooling.
+	 * 
+	 * @return The corresponding password for the username.
 	 */
 	default String getOAuthPassword() {
 		return null;
@@ -120,10 +158,22 @@ public interface ClientConfiguration {
 	
 	
 	
+	/**
+	 * This method retrieves the connection (before request sent) timeout for
+	 * the client.
+	 * 
+	 * @return A timeout in milliseconds.
+	 */
 	default Integer getConnectTimeoutInMillis() {
 	    return null;
 	}
 	
+	/**
+	 * This method retrieves the response (after request sent) timeout for the
+	 * client.
+	 * 
+	 * @return A timeout in milliseconds.
+	 */
 	default Integer getResponseTimeoutInMillis() {
 	    return null;
 	}
@@ -131,27 +181,36 @@ public interface ClientConfiguration {
 	
 
 	/**
-	 * @return true to enable Jackson UNWRAP_ROOT_VALUE feature; false otherwise.
+	 * This method enables/disables the JackSON UNWRAP_ROOT_VALUE feature.
+	 * 
+	 * @return `true` to enable; `false` otherwise.
 	 */
 	default boolean isUnwrapRootValueEnabled() {
 		return false;
 	}
 
 	/**
-	 * @return true to enable Jackson WRAP_ROOT_VALUE feature; false otherwise.
+	 * This method enables/disables the JackSON WRAP_ROOT_VALUE feature.
+	 * 
+	 * @return `true` to enable; `false` otherwise.
 	 */
 	default boolean isWrapRootValueEnabled() {
 		return false;
 	}
     
     /**
-     * @param mapper A Jackson object mapper to configure.
+	 * This method allows sub-classes to extend the JackSON mapper
+	 * configuration and behavior.
+	 * 
+     * @param mapper A JackSON object mapper.
      */
     default void configureJacksonMapper(ObjectMapper mapper) {
     }
 	
 	/**
-	 * @param provider A Jackson Jakarta RS provider to configure.
+	 * This method allows sub-classes to extend the JackSON JSON provider.
+	 * 
+	 * @param provider A JackSON Jakarta RS provider.
 	 */
 	default void configureJacksonProvider(JacksonJsonProvider provider) {
 	}
diff --git a/src/main/java/com/inteligr8/rs/ClientImpl.java b/src/main/java/com/inteligr8/rs/ClientImpl.java
index 3606f3f..0bb5f29 100644
--- a/src/main/java/com/inteligr8/rs/ClientImpl.java
+++ b/src/main/java/com/inteligr8/rs/ClientImpl.java
@@ -21,8 +21,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * A class that provides pre-configured JAX-RS Client &amp; WebTarget objects
- * for Jersey.
+ * A class that provides pre-configured Jakarta RS Client &amp; WebTarget
+ * objects.
  * 
  * @author brian@inteligr8.com
  */
@@ -34,6 +34,7 @@ public class ClientImpl extends Client {
 	
 	/**
 	 * This constructor is for Spring or POJO use.
+	 * 
 	 * @param config The client configuration.
 	 */
 	public ClientImpl(ClientConfiguration config) {
@@ -41,36 +42,22 @@ public class ClientImpl extends Client {
 	}
 
 	/**
-	 * This method registers the Jersey library as the default provider for the
-	 * JAX-RS specification.
+	 * This method is a placeholder.
 	 */
 	@PostConstruct
 	public void register() {
 		this.logger.info("API Base URL: {}", this.getConfig().getBaseUrl());
 	}
 	
-	/**
-	 * @param clientBuilder A client builder.
-	 */
 	@Override
 	public void buildClient(ClientBuilder clientBuilder) {
 	}
 	
-	/**
-	 * @return The client configuration.
-	 */
+	@Override
 	public ClientConfiguration getConfig() {
 		return this.config;
 	}
 
-	/**
-	 * This method retrieves a JAX-RS implementation of the specified API with
-	 * the specified authorization.
-	 * 
-	 * @param authFilter A dynamic authorization filter.
-	 * @param apiClass A JAX-RS annotation API class.
-	 * @return An instance of the API class.
-	 */
 	@Override
 	public <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass) {
 		throw new UnsupportedOperationException();
diff --git a/src/main/java/com/inteligr8/rs/ForwardingAuthorizationFilter.java b/src/main/java/com/inteligr8/rs/ForwardingAuthorizationFilter.java
index 94c5338..dc4750c 100755
--- a/src/main/java/com/inteligr8/rs/ForwardingAuthorizationFilter.java
+++ b/src/main/java/com/inteligr8/rs/ForwardingAuthorizationFilter.java
@@ -32,6 +32,8 @@ public class ForwardingAuthorizationFilter implements AuthorizationFilter {
 	private final String authorizationHeaderValue;
 	
 	/**
+	 * This constructor instantiates the filter with required fields.
+	 * 
 	 * @param authorizationHeaderValue A previously used or formulated 'Authorization' header.
 	 */
 	public ForwardingAuthorizationFilter(String authorizationHeaderValue) {
diff --git a/src/main/java/com/inteligr8/rs/HeaderAuthorizationFilter.java b/src/main/java/com/inteligr8/rs/HeaderAuthorizationFilter.java
index 8347950..dae994b 100644
--- a/src/main/java/com/inteligr8/rs/HeaderAuthorizationFilter.java
+++ b/src/main/java/com/inteligr8/rs/HeaderAuthorizationFilter.java
@@ -33,12 +33,22 @@ public class HeaderAuthorizationFilter implements AuthorizationFilter {
 	private final MultiValueMap<String, String> headers = new LinkedMultiValueMap<>();
 	
 	/**
-	 * @param headers An array of header name/value pairs.
+	 * This constructor instantiates the filter with required fields.
+	 * 
+	 * @param headerName A header name.
+	 * @param headerValue A header value.
 	 */
     public HeaderAuthorizationFilter(String headerName, String headerValue) {
 	    this.headers.add(headerName, headerValue);
 	}
     
+	/**
+	 * This method adds another header name/value to outgoing requests.
+	 * 
+	 * @param headerName A header name.
+	 * @param headerValue A header value.
+	 * @return This class for fluent chaining.
+	 */
     public HeaderAuthorizationFilter add(String headerName, String headerValue) {
         this.headers.add(headerName, headerValue);
         return this;