public UpdateCondition getExpected() {
        return this.expected;
    }
The update condition which, if specified, determines whether the specified attributes will be deleted or not. The
update condition must be satisfied in order for this request to be processed and the attributes to be deleted.

@return The update condition which, if specified, determines whether the specified attributes will be deleted or
        not. The update condition must be satisfied in order for this request to be processed and the attributes
        to be deleted.
aws-java-sdk-simpledb/src/main/java/com/amazonaws/services/simpledb/model/DeleteAttributesRequest.java