if (headerParam == null) {
headerParam = new HashMap<>();
}
return headerParam;
}
<BUG>public void putHeaderParam(final String key, final String value) {
</BUG>
if (value != null) {
getHeaderParam().put(key, value);
<BUG>}
}</BUG>
public Optional<VPackSlice> getBody() {

if (headerParam == null) {
headerParam = new HashMap<>();
}
return headerParam;
}
public Request putHeaderParam(final String key, final String value) {
if (value != null) {
getHeaderParam().put(key, value);
}
return this;
}
public Optional<VPackSlice> getBody() {
