*
     * @param dependency The dependency for which to retrieve the errors, must not be {@code null}.
     * @return The resolution errors for the specified dependency, never {@code null}.
     */
    List<Exception> getResolutionErrors(Dependency dependency);

        for (Dependency dependency : result.getUnresolvedDependencies()) {
            msg.append("dependency: ").append(dependency).append(System.lineSeparator());
            List<Exception> exceptions = result.getResolutionErrors(dependency);
            for (Exception e : exceptions) {
                msg.append("\t").append(e.getMessage()).append(System.lineSeparator());
            }
        }

            this.collectionErrors = exceptions;
        } else {
            this.collectionErrors = new ArrayList<>();
        }
    }

    @Override
    public List<Exception> getResolutionErrors(Dependency dependency) {
        List<Exception> errors = resolutionErrors.get(dependency);
        return (errors != null) ? Collections.unmodifiableList(errors) : Collections.emptyList();
    }