public void setExecutions(java.util.Collection<ExecutionListItem> executions) {
        if (executions == null) {
            this.executions = null;
            return;
        }

        this.executions = new java.util.ArrayList<ExecutionListItem>(executions);
    }
<p>
The list of matching executions.
</p>

@param executions
       The list of matching executions.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/ListExecutionsResult.java