spring-hateoas-ext/src/main/java/de/escalon/hypermedia/affordance/Affordance.java
public void addLinkParam(String paramName, String... values) {
        Assert.notEmpty(values);
        for (String value : values) {
            Assert.hasLength(value);
            linkParams.add(paramName, value);
        }
    }
public void addLinkParam(String paramName, String... values) {
        Assert.notEmpty(values);
        for (String value : values) {
            Assert.hasLength(value);
            linkParams.add(paramName, value);
        }
    }
public void addLinkParam ( String paramName , String ... values ) { Assert . notEmpty ( values ) ; for ( String value : values ) { Assert . hasLength ( value ) ; linkParams . add ( paramName , value ) ; } }
Adds link-extension params, i.e. custom params which are not described in the web linking rfc.

@param paramName of link-extension
@param values    one or more values to add
Adds link - extension params i . e . custom params which are not described in the web linking rfc .