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diff --git a/support/arara/source/src/main/java/com/github/cereda/arara/model/Session.java b/support/arara/source/src/main/java/com/github/cereda/arara/model/Session.java
deleted file mode 100644
index 4462c5e369..0000000000
--- a/support/arara/source/src/main/java/com/github/cereda/arara/model/Session.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/**
- * Arara, the cool TeX automation tool
- * Copyright (c) 2012 -- 2019, Paulo Roberto Massa Cereda
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the project's author nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
- * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-package com.github.cereda.arara.model;
-
-import com.github.cereda.arara.controller.LanguageController;
-import com.github.cereda.arara.controller.SessionController;
-
-/**
- * Implements the session model.
- * @author Paulo Roberto Massa Cereda
- * @version 4.0
- * @since 4.0
- */
-public class Session {
-
- // get the current instance from the
- // session controller
- private static final SessionController session =
- SessionController.getInstance();
-
- // the application messages obtained from the
- // language controller
- private static final LanguageController messages =
- LanguageController.getInstance();
-
- /**
- * Inserts the object into the session, indexed by the provided key.
- * @param key The provided key.
- * @param value The value to be inserted.
- */
- public void insert(String key, Object value) {
- session.put(key, value);
- }
-
- /**
- * Removes the entry indexed by the provided key from the session.
- * @param key The provided key.
- * @throws AraraException Something wrong happened, to be caught in the
- * higher levels.
- */
- public void remove(String key) throws AraraException {
- if (session.contains(key)) {
- session.remove(key);
- } else {
- throw new AraraException(
- messages.getMessage(
- Messages.ERROR_SESSION_REMOVE_UNKNOWN_KEY,
- key
- )
- );
- }
- }
-
- /**
- * Checks if the provided key exists in the session.
- * @param key The provided key.
- * @return A boolean value indicating if the provided key exists in the
- * session.
- */
- public boolean exists(String key) {
- return session.contains(key);
- }
-
- /**
- * Clears the session.
- */
- public void forget() {
- session.clear();
- }
-
- /**
- * Gets the object indexed by the provided key from the session.
- * @param key The provided key.
- * @return The object indexed by the provided key.
- * @throws AraraException Something wrong happened, to be caught in the
- * higher levels.
- */
- public Object obtain(String key) throws AraraException {
- if (session.contains(key)) {
- return session.get(key);
- } else {
- throw new AraraException(
- messages.getMessage(
- Messages.ERROR_SESSION_OBTAIN_UNKNOWN_KEY,
- key
- )
- );
- }
- }
-
-}