public FilterExpression clearValuesMapEntries() {
        this.valuesMap = null;
        return this;
    }
Removes all the entries added into ValuesMap.

@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-gluedatabrew/src/main/java/com/amazonaws/services/gluedatabrew/model/FilterExpression.java