public DimensionValues withKey(String key) {
        setKey(key);
        return this;
    }
<p>
The name of the dimension that you want to filter on.
</p>

@param key
       The name of the dimension that you want to filter on.
@return Returns a reference to this object so that method calls can be chained together.
@see Dimension
aws-java-sdk-freetier/src/main/java/com/amazonaws/services/freetier/model/DimensionValues.java