Type org.eclipse.core.runtime.IProgressMonitorWithBlocking of variable progressMonitorWithBlocking does not match with type java.lang.Object of variable item
Make classes org.eclipse.core.runtime.IProgressMonitorWithBlocking and java.lang.Object extend a common superclass
Type org.eclipse.core.runtime.IProgressMonitorWithBlocking of variable progressMonitorWithBlocking does not match with type java.lang.Object of variable item