code: public TaskSummary deployApplication(String tosca) throws IOException {
          Entity content = Entity.entity(tosca, "application/x-yaml");
          Invocation invocation = getJerseyClient().target(getEndpoint() + "/v1/applications").request().buildPost(content);
          return invocation.invoke().readEntity(TaskSummary.class);
      }
docs: Creates a proxied HTTP POST request to Apache Brooklyn to deploy a new application
  
  @param tosca file compliant with the Apache Brooklyn TOSCA specification
  @return TaskSummary representing the running process