toolchains.add(toolchain);
                        }
                    } catch (MisconfiguredToolchainException ex) {
                        logger.error("Misconfigured toolchain.", ex);
                    }
                }
            }
        }
        return toolchains;
    }

    Map<String, Object> retrieveContext(MavenSession session) {

                        }
                    }
                } catch (Exception e) {
                    // here we can have: IO. ZIP or Plexus Conf Ex: but we should not interfere with user intent
                }
            }
        }
        return null;
    }

                } else {
                    return range.getRecommendedVersion().compareTo(version) == 0;
                }
            } catch (InvalidVersionSpecificationException ex) {
                return false;
            }
        }

        @Override
        public String toString() {
            return version.toString();
        }
    }

                getContainer().lookup(org.apache.maven.project.ProjectBuilder.class);

        // single project build entry point
        Exception ex = assertThrows(Exception.class, () -> projectBuilder.build(pomFile, configuration));
        assertThat(ex.getMessage(), containsString("Received non-all-whitespace CHARACTERS or CDATA event"));

        // multi projects build entry point