public java.util.Map<String, WorkerTypeSpecificationInput> getWorkerTypeSpecifications() {
        return workerTypeSpecifications;
    }
<p>
The key-value pairs that specify worker type to <code>WorkerTypeSpecificationInput</code>. This parameter must
contain all valid worker types for a Spark or Hive application. Valid worker types include <code>Driver</code>
and <code>Executor</code> for Spark applications and <code>HiveDriver</code> and <code>TezTask</code> for Hive
applications. You can either set image details in this parameter for each worker type, or in
<code>imageConfiguration</code> for all worker types.
</p>

@return The key-value pairs that specify worker type to <code>WorkerTypeSpecificationInput</code>. This parameter
        must contain all valid worker types for a Spark or Hive application. Valid worker types include
        <code>Driver</code> and <code>Executor</code> for Spark applications and <code>HiveDriver</code> and
        <code>TezTask</code> for Hive applications. You can either set image details in this parameter for each
        worker type, or in <code>imageConfiguration</code> for all worker types.
aws-java-sdk-emrserverless/src/main/java/com/amazonaws/services/emrserverless/model/CreateApplicationRequest.java