public void setExpressions(java.util.Collection<ExpressionStatus> expressions) {
        if (expressions == null) {
            this.expressions = null;
            return;
        }

        this.expressions = new com.amazonaws.internal.SdkInternalList<ExpressionStatus>(expressions);
    }
<p>
The expressions configured for the domain.
</p>

@param expressions
       The expressions configured for the domain.
aws-java-sdk-cloudsearch/src/main/java/com/amazonaws/services/cloudsearchv2/model/DescribeExpressionsResult.java