} catch (XMLStreamException e) {
            throw new SettingsParseException(
                    e.getMessage(),
                    e.getLocation().getLineNumber(),
                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

    @Override
    public Settings read(Reader input, Map<String, ?> options) throws IOException {

        }
        target.setProperties(merged);
        target.setLocation(
                "properties",
                InputLocation.merge(
                        target.getLocation("properties"), source.getLocation("properties"), sourceDominant));
    }

    protected void mergeDistributionManagement(
            DistributionManagement target,
            DistributionManagement source,

                            "Conflicting extension %s: %s vs %s",
                            key,
                            formatLocation(conflict.getLocation("")),
                            formatLocation(coreExtension.getLocation(""))));
                }
            }
        }
        if (!conflicts.isEmpty()) {
            context.logger.warn("Found " + conflicts.size() + " extension conflict(s):");

        } catch (XMLStreamException e) {
            throw new MetadataParseException(
                    e.getMessage(),
                    e.getLocation().getLineNumber(),
                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

    @Override
    public Metadata read(InputStream input, Map<String, ?> options) throws IOException {

                target.setUrl(src);
                target.setLocation("url", source.getLocation("url"));
            } else if (target.getUrl() == null) {
                target.setUrl(extrapolateChildUrl(src, source.isChildProjectUrlInheritAppendPath(), context));
                target.setLocation("url", source.getLocation("url"));
            }
        }
    }

    /*

        String modelId = null;

        if (req.getLocation() != null) {
            line = req.getLocation().getLineNumber();
            column = req.getLocation().getColumnNumber();
            if (req.getLocation().getSource() != null) {
                modelId = req.getLocation().getSource().getModelId();
                source = req.getLocation().getSource().getLocation();
            }
        }

                            .setMessage("Malformed POM " + modelSource.getLocation() + ": " + e.getMessage())
                            .setException(e));
                } else {
                    problems.add(new ModelProblemCollectorRequest(Severity.WARNING, Version.V20)
                            .setMessage("Malformed POM " + modelSource.getLocation() + ": " + e.getMessage())
                            .setException(e));

            }
            target.setProperties(merged);
            target.setLocation(
                    "properties",
                    InputLocation.merge(
                            target.getLocation("properties"), source.getLocation("properties"), sourceDominant));
        }

        private void putAll(Map<Object, Object> s, Map<Object, Object> t, Object excludeKey) {
            for (Map.Entry<Object, Object> e : t.entrySet()) {

    }

    @Override
    public String getLocation() {
        return location;
    }

    /**
     * Gets the content of this source.
     *
     * @return The underlying character stream, never {@code null}.
     */
    public String getContent() {
        return content;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override

        assertEquals("", problem.getLocation());

        problem = new DefaultProblem(null, null, "SOURCE", -1, -1, null);
        assertEquals("SOURCE", problem.getLocation());

        problem = new DefaultProblem(null, null, null, 42, -1, null);
        assertEquals("line 42", problem.getLocation());

        problem = new DefaultProblem(null, null, null, -1, 127, null);