package software.amazon.lambda.snapstart.lambdaexamples; import java.util.function.Function; public class DependencyInjectionFunctionalInterface implements Function { private final MyDependency myDependency; public DependencyInjectionFunctionalInterface(MyDependency myDependency) { this.myDependency = myDependency; } @Override public String apply(String s) { return myDependency.toString(); } }