public SalesforceKnowledgeArticleConfiguration withCustomKnowledgeArticleTypeConfigurations(
            SalesforceCustomKnowledgeArticleTypeConfiguration... customKnowledgeArticleTypeConfigurations) {
        if (this.customKnowledgeArticleTypeConfigurations == null) {
            setCustomKnowledgeArticleTypeConfigurations(new java.util.ArrayList<SalesforceCustomKnowledgeArticleTypeConfiguration>(
                    customKnowledgeArticleTypeConfigurations.length));
        }
        for (SalesforceCustomKnowledgeArticleTypeConfiguration ele : customKnowledgeArticleTypeConfigurations) {
            this.customKnowledgeArticleTypeConfigurations.add(ele);
        }
        return this;
    }
<p>
Configuration information for custom Salesforce knowledge articles.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCustomKnowledgeArticleTypeConfigurations(java.util.Collection)} or
{@link #withCustomKnowledgeArticleTypeConfigurations(java.util.Collection)} if you want to override the existing
values.
</p>

@param customKnowledgeArticleTypeConfigurations
       Configuration information for custom Salesforce knowledge articles.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/SalesforceKnowledgeArticleConfiguration.java