public void setIncludedStates(java.util.Collection<String> includedStates) {
        if (includedStates == null) {
            this.includedStates = null;
            return;
        }

        this.includedStates = new java.util.ArrayList<String>(includedStates);
    }
<p>
Specifies the document states that should be included when Amazon Kendra indexes knowledge articles. You must
specify at least one state.
</p>

@param includedStates
       Specifies the document states that should be included when Amazon Kendra indexes knowledge articles. You
       must specify at least one state.
@see SalesforceKnowledgeArticleState
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/SalesforceKnowledgeArticleConfiguration.java