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The Drools and jBPM internal API which is NOT backwards compatible between releases.

There is a newer version: 9.44.0.Final

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.internal.builder.fluent;

import org.kie.api.command.ExecutableCommand;

public interface ContextFluent{

    /**
     * The last executed command result is set to a name in this executing context. Default Scope is Request
     * @param name
     * @return this
     */
    T set(String name);

    T set(String name, Scope scope);

    T get(String name);

    T get(String name, Scope scope);

    /**
     * This sets an instance, for a given cls key, on the registry for commands to execute against.
     * This method will call "end" if within the context of a given registry command
     * @param name
     * @param cls
     * @param 
     * @return
     */
      K get(String name, Class cls);

    /**
     * The output from the last command should be returned via the out results. It uses the last used name identifer for the previous
     * get or set.
     * @return this
     */
    T out();

    /**
     * The output from the last executed command should be returned and set to the given name in the context. It uses the specified
     * named identifierl
     * @param name
     * @return this
     */
    T out(String name);

    T addCommand(ExecutableCommand command);

    T newApplicationContext(String name);

    T getApplicationContext(String name);

    T startConversation();

    T joinConversation(String uuid);

    T endConversation(String uuid);

    /**
     * End the scope of the current Command set
     * @return
     */
    E end();
}