public StartUpdateSignalMapResult addFailedMediaResourceMapEntry(String key, MediaResource value) {
        if (null == this.failedMediaResourceMap) {
            this.failedMediaResourceMap = new java.util.HashMap<String, MediaResource>();
        }
        if (this.failedMediaResourceMap.containsKey(key))
            throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided.");
        this.failedMediaResourceMap.put(key, value);
        return this;
    }
Add a single FailedMediaResourceMap entry

@see StartUpdateSignalMapResult#withFailedMediaResourceMap
@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