public void setPredecessorRuns(java.util.Collection<Predecessor> predecessorRuns) {
        if (predecessorRuns == null) {
            this.predecessorRuns = null;
            return;
        }

        this.predecessorRuns = new java.util.ArrayList<Predecessor>(predecessorRuns);
    }
<p>
A list of predecessors to this job run.
</p>

@param predecessorRuns
       A list of predecessors to this job run.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/JobRun.java