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diff --git a/support/arara/source/src/main/java/com/github/cereda/arara/utils/DirectiveAssembler.java b/support/arara/source/src/main/java/com/github/cereda/arara/utils/DirectiveAssembler.java
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--- a/support/arara/source/src/main/java/com/github/cereda/arara/utils/DirectiveAssembler.java
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@@ -1,106 +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.utils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Implements a directive assembler in order to help build a directive from a
- * list of strings.
- * @author Paulo Roberto Massa Cereda
- * @version 4.0
- * @since 4.0
- */
-public class DirectiveAssembler {
-
- // this variable holds a list of
- // line numbers indicating which
- // lines composed the resulting
- // potential directive
- private final List<Integer> lineNumbers;
-
- // this variable holds the textual
- // representation of the directive
- private String text;
-
- /**
- * Constructor.
- */
- public DirectiveAssembler() {
- lineNumbers = new ArrayList<Integer>();
- text = "";
- }
-
- /**
- * Checks if an append operation is allowed.
- * @return A boolean value indicating if an append operation is allowed.
- */
- public boolean isAppendAllowed() {
- return !lineNumbers.isEmpty();
- }
-
- /**
- * Adds a line number to the assembler.
- * @param line An integer representing the line number.
- */
- public void addLineNumber(int line) {
- lineNumbers.add(line);
- }
-
- /**
- * Appends the provided line to the assembler text.
- * @param line The provided line.
- */
- public void appendLine(String line) {
- text = text.concat(" ").concat(line.trim());
- }
-
- /**
- * Gets the list of line numbers.
- * @return The list of line numbers.
- */
- public List<Integer> getLineNumbers() {
- return lineNumbers;
- }
-
- /**
- * Gets the text.
- * @return The assembler text, properly trimmed.
- */
- public String getText() {
- return text.trim();
- }
-
-}