public String getPassthroughBehavior() {
        return this.passthroughBehavior;
    }
<p>
Specifies the pass-through behavior for incoming requests based on the Content-Type header in the request, and
the available mapping templates specified as the <code>requestTemplates</code> property on the Integration
resource. There are three valid values: <code>WHEN_NO_MATCH</code>, <code>WHEN_NO_TEMPLATES</code>, and
<code>NEVER</code>.
</p>

@return Specifies the pass-through behavior for incoming requests based on the Content-Type header in the
        request, and the available mapping templates specified as the <code>requestTemplates</code> property on
        the Integration resource. There are three valid values: <code>WHEN_NO_MATCH</code>,
        <code>WHEN_NO_TEMPLATES</code>, and <code>NEVER</code>.
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/PutIntegrationRequest.java