Previews the agents installed on the EC2 instances that are part of the specified assessment target.
/// You do not have required permissions to access the requested resource.
///
/// Internal server error.
///
/// Amazon Inspector cannot assume the cross-account role that it needs to list your EC2
/// instances during the assessment run.
///
/// The request was rejected because an invalid or out-of-range value was supplied for
/// an input parameter.
///
/// The request was rejected because it referenced an entity that does not exist. The
/// error code describes the entity.
///