public Set<ImplementationBuildWrapper> findImplementersBuildWrappers() {
		ImmutableSet.Builder<ImplementationBuildWrapper> builder = ImmutableSet.builder();
		List<AbstractProject> allProjects = Hudson.getInstance().getAllItems(AbstractProject.class);
		for (AbstractProject project : allProjects) {
			if(project instanceof BuildableItemWithBuildWrappers) {
				DescribableList<BuildWrapper,Descriptor<BuildWrapper>> buildWrappersList = ((BuildableItemWithBuildWrappers) project).getBuildWrappersList();
				for (BuildWrapper buildWrapper : buildWrappersList) {
					if(buildWrapper instanceof ImplementationBuildWrapper) {
						builder.add((ImplementationBuildWrapper) buildWrapper);
					}
				}
			}
		}
		return builder.build();
	}