.location(toolchainsSource.getLocation())
                                .strict(false)
                                .build());
                Location loc = e.getCause() instanceof XMLStreamException xe ? xe.getLocation() : null;
                problems.add(new DefaultBuilderProblem(
                        toolchainsSource.getLocation(),
                        loc != null ? loc.getLineNumber() : -1,

        }

        @Override
        public InputStream getInputStream() throws IOException {
            return source.openStream();
        }

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

    private static class MappedBuilderProblem implements BuilderProblem {
        private final org.apache.maven.building.Problem problem;