public List<NameValuePair> getParameters() {
        return parameters;
    }
Gets entity content as a parameter list if set using
{@link #setParameters(java.util.List)} or
{@link #setParameters(NameValuePair...)}.

@return entity content as a parameter list.
httpclient5/src/main/java/org/apache/hc/client5/http/entity/EntityBuilder.java