import com.atlassian.jira.component.ComponentAccessor;
import com.atlassian.jira.project.Project;
import com.atlassian.jira.security.PermissionManager;
import com.atlassian.jira.security.roles.ProjectRole;
import com.atlassian.jira.security.roles.ProjectRoleActors;
import com.atlassian.jira.security.roles.ProjectRoleManager;
import com.atlassian.jira.user.ApplicationUser;
Set<String> projGroupNames =new HashSet<String>();
ProjectRoleManager projectRoleManager = ComponentAccessor.getComponentOfType(ProjectRoleManager.class);
ProjectRole projectRole = projectRoleManager.getProjectRole("Administrators");
ProjectRoleActors projectRoleActors = projectRoleManager.getProjectRoleActors(projectRole, project);
for(RoleActor actor : projectRoleActors.getRoleActorsByType(ProjectRoleActor.GROUP_ROLE_ACTOR_TYPE))
{
projGroupNames.add(actor.getParameter());
}
Getting error unable to resolve class RoleActor. Please help me to resolve this.