}

        public String getBranch() {
            return branch;
        }

        public String getDate() {
            return date;
        }

        public List<String> getCommits() {
            return commits;
        }
    }

    static class BackgroundColor {
        private static final int THRESHOLD = 80;
        private Map xaxis;
        private String color;

                performanceTestExecution.getTeamCityBuildId(),
                getCommit(performanceTestExecution),
                nonEmptyExecutions.get(size - 2),
                nonEmptyExecutions.get(size - 1)
            );
        } else {
            return null;
        }
    }

    private String getCommit(PerformanceTestExecution execution) {
        if (execution.getVcsCommits().isEmpty()) {