public void setRoleArn(String roleArn) {
        this.roleArn = roleArn;
    }
Role Arn MediaConnect can assumes to create ENIs in customer's account

@param roleArn
       Role Arn MediaConnect can assumes to create ENIs in customer's account
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/VpcInterfaceRequest.java