@Override
        public Builder transition(Transition.Builder builder) {
            this.transition = builder;
            return this;
        }
REQUIRED. Sets the transition that will occur when all branches in this map
state have executed successfully.

@param builder New transition.
@return This object for method chaining.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/builder/states/MapState.java