} 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 {

        } 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 {

        assertEquals("MESSAGE1", p1.getMessage());
        assertEquals(-1, p1.getLineNumber());
        assertEquals(-1, p1.getColumnNumber());
        assertNull(p1.getException());

        Problem p2 = collector.getProblems().get(1);
        assertEquals(Severity.WARNING, p2.getSeverity());
        assertEquals("", p2.getMessage());
        assertEquals(42, p2.getLineNumber());
        assertEquals(127, p2.getColumnNumber());

            lineNumber = getLineNumber(declaration, ktFile)
        )
    }

    private
    fun getLineNumber(declaration: KtDeclaration, ktFile: KtFile): Int {
        val startOffset = declaration.startOffsetSkippingComments
        return ktFile.viewProvider.document?.getLineNumber(startOffset)?.plus(1) ?: -1
    }

    private

     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file
     * that is given by {@link #getSource()}.
     *

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

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

                        location = problem.getSource();
                    }
                    if (problem.getLineNumber() > 0) {
                        if (!location.isEmpty()) {
                            location += ", ";
                        }
                        location += "line " + problem.getLineNumber();
                    }
                    if (problem.getColumnNumber() > 0) {

                buffer.append(", ");
            }
            buffer.append(getSource());
        }

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

        if (getColumnNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");

                buffer.append(", ");
            }
            buffer.append(getSource());
        }

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

        if (getColumnNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");

        assertEquals(-1, problem.getLineNumber());

        problem = new DefaultProblem(null, null, null, 42, -1, null);
        assertEquals(42, problem.getLineNumber());

        problem = new DefaultProblem(null, null, null, Integer.MAX_VALUE, -1, null);
        assertEquals(Integer.MAX_VALUE, problem.getLineNumber());

        // this case is not specified, might also return -1