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

        this.resourceTypes = new com.amazonaws.internal.SdkInternalList<String>(resourceTypes);
    }
<p>
A list of all the template resource types that are defined in the template, such as
<code>AWS::EC2::Instance</code>, <code>AWS::Dynamo::Table</code>, and <code>Custom::MyCustomInstance</code>.
</p>

@param resourceTypes
       A list of all the template resource types that are defined in the template, such as
       <code>AWS::EC2::Instance</code>, <code>AWS::Dynamo::Table</code>, and
       <code>Custom::MyCustomInstance</code>.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/GetTemplateSummaryResult.java