public void setRunAs(String runAs) {
        this.runAs = runAs;
    }
<p>
Specifies whether the job should run using the queue's system user or if the job should run using the worker
agent system user.
</p>

@param runAs
       Specifies whether the job should run using the queue's system user or if the job should run using the
       worker agent system user.
@see RunAs
aws-java-sdk-deadline/src/main/java/com/amazonaws/services/deadline/model/JobRunAsUser.java