code: public EvaluationResult getEnvironmentAttribute(URI type, URI id,
                                                      URI issuer) {
          return getGenericAttributes(type, id, issuer, environmentMap, null,
                                      AttributeDesignator.ENVIRONMENT_TARGET);
      }
docs: Returns attribute value(s) from the environment section of the request.
  
  @param type the type of the attribute value(s) to find
  @param id the id of the attribute value(s) to find
  @param issuer the issuer of the attribute value(s) to find or null
  
  @return a result containing a bag either empty because no values were
  found or containing at least one value, or status associated with an
  Indeterminate result