public void setInputDataConfig(java.util.Collection<Channel> inputDataConfig) {
        if (inputDataConfig == null) {
            this.inputDataConfig = null;
            return;
        }

        this.inputDataConfig = new java.util.ArrayList<Channel>(inputDataConfig);
    }
<p>
An array of <a href="https://docs.aws.amazon.com/sagemaker/latest/APIReference/API_Channel.html">Channel</a>
objects that specify the input for the training jobs that the tuning job launches.
</p>

@param inputDataConfig
       An array of <a
       href="https://docs.aws.amazon.com/sagemaker/latest/APIReference/API_Channel.html">Channel</a> objects that
       specify the input for the training jobs that the tuning job launches.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/HyperParameterTrainingJobDefinition.java