*/
private IProjectContributorState prepareState(IProject project, List<ProjectBuilderDefinition> builderDefinitions,
List<ValidatorDefinition> validatorDefinitions) {
IProjectContributorState context = new DefaultProjectContributorState();
context.hold(project);
for (ProjectBuilderDefinition builderDefinition : builderDefinitions) {
if (builderDefinition.isEnabled(project)
&& builderDefinition.getProjectBuilder() instanceof IProjectContributorStateAware) {
((IProjectContributorStateAware) builderDefinition.getProjectBuilder())