code: public void setInputConfigurations(java.util.Collection<InputConfiguration> inputConfigurations) {
          if (inputConfigurations == null) {
              this.inputConfigurations = null;
              return;
          }
  
          this.inputConfigurations = new java.util.ArrayList<InputConfiguration>(inputConfigurations);
      }
docs: <p>
  Identifies the specific input, by ID, that the application starts consuming. Amazon Kinesis Analytics starts
  reading the streaming source associated with the input. You can also specify where in the streaming source you
  want Amazon Kinesis Analytics to start reading.
  </p>
  
  @param inputConfigurations
  Identifies the specific input, by ID, that the application starts consuming. Amazon Kinesis Analytics
  starts reading the streaming source associated with the input. You can also specify where in the streaming
  source you want Amazon Kinesis Analytics to start reading.