buffer.append(", ");
            }
            buffer.append("line ").append(getLineNumber());
        }
        if (getColumnNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }
            buffer.append("column ").append(getColumnNumber());
        }
        return buffer.toString();
    }

    @Override
    public String toString() {

                buffer.append(", ");
            }
            buffer.append("line ").append(getLineNumber());
        }

        if (getColumnNumber() > 0) {
            if (buffer.length() > 0) {
                buffer.append(", ");
            }
            buffer.append("column ").append(getColumnNumber());
        }

        return buffer.toString();
    }

    public Exception getException() {
        return exception;

            return false;
        }

        final ProjectBuildingResult r = (ProjectBuildingResult) o;

        return r.getProblems().stream()
                .anyMatch(p -> p.getLineNumber() == lineNumber && p.getColumnNumber() == columnNumber);
    }

    @Override
    public void describeTo(Description description) {
        description
                .appendText("a ProjectBuildingResult with location ")

        }

        @Override
        public int getLineNumber() {
            return problem.getLineNumber();
        }

        @Override
        public int getColumnNumber() {
            return problem.getColumnNumber();
        }

        @Override
        public String getLocation() {
            return problem.getLocation();
        }

        @Override

        }

        @Override
        public int getLineNumber() {
            return problem.getLineNumber();
        }

        @Override
        public int getColumnNumber() {
            return problem.getColumnNumber();
        }

        @Override
        public String getLocation() {
            return problem.getLocation();
        }

        @Override

     * @return The one-based index of the column containing the problem or non-positive value if unknown.
     */
    int getColumnNumber();

    /**
     * Gets the location of the problem. The location is a user-friendly combination of the values from
     * {@link #getSource()}, {@link #getLineNumber()} and {@link #getColumnNumber()}. The exact syntax of the returned
     * value is undefined.
     *

     * @return the one-based index of the column containing the problem or non-positive value if unknown
     */
    int getColumnNumber();

    /**
     * Gets the location of the problem. The location is a user-friendly combination of the values from
     * {@link #getSource()}, {@link #getLineNumber()} and {@link #getColumnNumber()}. The exact syntax of the returned
     * value is undefined.
     *

                                problem.getLineNumber() > 0 ? "line " + problem.getLineNumber() : "",
                                problem.getColumnNumber() > 0 ? "column " + problem.getColumnNumber() : "")
                        .filter(s -> !s.isEmpty())
                        .collect(Collectors.joining(", "));
                if (!loc.isEmpty()) {

                problems.add(new DefaultBuilderProblem(
                        toolchainsSource.getLocation(),
                        loc != null ? loc.getLineNumber() : -1,
                        loc != null ? loc.getColumnNumber() : -1,
                        e,
                        e.getMessage(),
                        BuilderProblem.Severity.WARNING));
            }
        } catch (XmlReaderException e) {

                            settingsSource.getLocation(),
                            loc != null ? loc.getLineNumber() : -1,
                            loc != null ? loc.getColumnNumber() : -1,
                            e,
                            e.getMessage(),
                            BuilderProblem.Severity.WARNING));
                }
            }