public StartUpdateSignalMapResult withCreatedAt(java.util.Date createdAt) {
        setCreatedAt(createdAt);
        return this;
    }
@param createdAt
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/StartUpdateSignalMapResult.java