public Builder passThroughBehavior(String passThroughBehavior) {
            this.passThroughBehavior = passThroughBehavior;
            return this;
        }
Configures the pass through behavior of the integration.

@param passThroughBehavior Pass through behavior setting.
@return Returns the builder.
@see IntegrationTrait#getPassThroughBehavior()
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/IntegrationTrait.java