public void setBranch(String branch) {
        this.branch = branch;
    }
<p>
The name of the code repository branch that holds the service code Proton will sync with.
</p>

@param branch
       The name of the code repository branch that holds the service code Proton will sync with.
aws-java-sdk-proton/src/main/java/com/amazonaws/services/proton/model/ServiceSyncConfig.java