in geronimo-openapi-impl/src/main/java/org/apache/geronimo/microprofile/openapi/impl/model/ComponentsImpl.java [178:183]
public Components addLink(final String key, final Link _links) {
if (_links != null) {
(this._links = this._links == null ? new LinkedHashMap<>() : this._links).put(key, _links);
}
return this;
}