in src/app/teamcity/teamcity-convert.js [164:175]
function flattenTree(node) {
node.level = currentLevel;
flattenProjectsAndBuildTypes.push(node);
currentLevel++;
if (node.children) {
node.children.forEach(flattenTree);
}
if (node.buildTypes) {
node.buildTypes.forEach(flattenTree);
}
currentLevel--;
}