public DomainStatus clearAdvancedOptionsEntries() {
        this.advancedOptions = null;
        return this;
    }
Removes all the entries added into AdvancedOptions.

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