public void setExecutionRole(String executionRole) {
        this.executionRole = executionRole;
    }
<p>
The execution role for the instance group to assume.
</p>

@param executionRole
       The execution role for the instance group to assume.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/ClusterInstanceGroupDetails.java