.setMessage("Non-parseable POM " + modelSource.getLocation() + ": " + e.getMessage())
                    .setException(e));
            throw problems.newModelBuildingException();
        } catch (IOException e) {
            String msg = e.getMessage();
            if (msg == null || msg.isEmpty()) {

                    problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                            .setMessage("Failed to determine activation for profile " + profile.getId() + ": "
                                    + e.getMessage())
                            .setLocation(profile.getLocation(""))
                            .setException(e));
                    return false;

            name = name.substring(1);
        }

        if (name == null || name.isEmpty()) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("The property name is required to activate the profile " + profile.getId())
                    .setLocation(property.getLocation("")));
            return false;
        }

                    } catch (InterpolationException e) {
                        problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                                .setMessage(e.getMessage())
                                .setException(e));
                    }
                    cache.put(value, c);
                }
                return c;
            }
            return value;

        if (version == null || version.isEmpty()) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Failed to determine Java version for profile " + profile.getId())
                    .setLocation(activation.getLocation("jdk")));
            return false;
        }
        try {

    }

    public ModelProblemCollectorRequest setException(Exception exception) {
        this.exception = exception;
        return this;
    }

    public String getMessage() {
        return message;
    }

    public ModelProblemCollectorRequest setMessage(String message) {
        this.message = message;
        return this;
    }

    public InputLocation getLocation() {
        return location;
    }

                msg += " Please use ${" + newPrefix + expression.substring(bannedPrefix.length()) + "} instead.";
            }
            problems.add(new ModelProblemCollectorRequest(Severity.WARNING, Version.V20).setMessage(msg));
        }

        return value;
    }

    @Override
    public List getFeedback() {
        return valueSource.getFeedback();
    }

    @Override
    public void clearFeedback() {

        } catch (InterpolationException e) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Failed to interpolate file location " + path + " for profile " + profile.getId() + ": "
                            + e.getMessage())
                    .setLocation(file.getLocation(missing ? "missing" : "exists"))
                    .setException(e));
            return false;

                        problems.add(new ModelProblemCollectorRequest(
                                        ModelProblem.Severity.WARNING, ModelProblem.Version.V40)
                                .setMessage("Ignored POM import for: " + toString(dependency) + " as already imported "
                                        + toString(present) + ". Add the conflicting managed dependency directly "

            buffer.append(" for ").append(sourceHint);
        }

        buffer.append(' ').append(message);

        problems.add(new ModelProblemCollectorRequest(severity, version)
                .setMessage(buffer.toString())
                .setLocation(getLocation(fieldName, tracker)));
    }

    private static org.apache.maven.model.InputLocation getLocation(String fieldName, InputLocationTracker tracker) {