Polish

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/generic/GenericBuilderProperties.java

@@ -30,6 +30,7 @@ public class GenericBuilderProperties<T extends GenericBuilderProperties<T>> {
 		return this.number;
 	}
 
+	@SuppressWarnings("unchecked")
 	public T setNumber(int number) {
 		this.number = number;
 		return (T) this;

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/method/SingleConstructorMethodConfig.java

@@ -24,6 +24,7 @@ import org.springframework.boot.configurationsample.ConfigurationProperties;
  *
  * @author Stephane Nicoll
  */
+@SuppressWarnings("unused")
 public class SingleConstructorMethodConfig {
 
 	@ConfigurationProperties(prefix = "foo")

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/specific/TwoConstructorsClassConstructorBindingExample.java

@@ -24,6 +24,7 @@ import org.springframework.boot.configurationsample.MetaConstructorBinding;
  * @author Stephane Nicoll
  */
 @MetaConstructorBinding
+@SuppressWarnings("unused")
 public class TwoConstructorsClassConstructorBindingExample {
 
 	private String name;

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractRunMojo.java

@@ -240,10 +240,6 @@ public abstract class AbstractRunMojo extends AbstractDependencyFilterMojo {
 				|| (this.systemPropertyVariables != null && !this.systemPropertyVariables.isEmpty());
 	}
 
-	private boolean hasEnvVariables() {
-		return (this.environmentVariables != null && !this.environmentVariables.isEmpty());
-	}
-
 	private boolean hasWorkingDirectorySet() {
 		return this.workingDirectory != null;
 	}