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refactor: Object-oriented AggregateSnippets script (#116)
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‎SNIPPETS.md‎

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Original file line numberDiff line numberDiff line change
@@ -20,6 +20,7 @@ This file was generated by running [AggregateSnippets.java](src/main/java/Aggreg
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- [**Verify**](#verify)
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- [**Verify v2**](#verify-v2)
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- [**Voice**](#voice)
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## Initialize
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### Application Auth With Key Contents
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‎src/main/java/AggregateSnippets.java‎

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Original file line numberDiff line numberDiff line change
@@ -1,55 +1,190 @@
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/*
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* Copyright 2025 Vonage
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
7-
import java.util.Objects;
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import java.util.*;
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public final class AggregateSnippets {
832

9-
public class AggregateSnippets {
10-
public static void main(String[] args) throws Throwable {
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public static void main(String... args) throws Throwable {
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final var repoRoot = Paths.get("").toAbsolutePath();
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final var snippetsSrcRoot = repoRoot.resolve("src/main/java/com/vonage/quickstart");
13-
final var classFileName = "AggregateSnippets.java";
14-
var sb = new StringBuilder(1 << 17)
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final var aggregator = new AggregateSnippets(snippetsSrcRoot);
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aggregator.computeContents();
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aggregator.saveContentsToFile(repoRoot.resolve("SNIPPETS.md"));
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if (args.length > 0) {
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aggregator.saveLineNumbersToCsv(Paths.get(args[0]));
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}
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}
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public record CodeSnippetFileInfo(
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Path file,
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int mainStartIndex, int mainEndIndex,
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int clientStartIndex, int clientEndIndex
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) { }
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private StringBuilder sb;
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private final Path snippetsSrcRoot;
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private Collection<CodeSnippetFileInfo> snippetFiles;
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public AggregateSnippets(Path snippetsSrcRoot) {
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this.snippetsSrcRoot = Objects.requireNonNull(snippetsSrcRoot);
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}
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private void checkComputed() {
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if (sb == null || sb.isEmpty()) {
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throw new IllegalStateException("Contents not computed yet.");
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}
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}
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public Collection<CodeSnippetFileInfo> getLineNumbers() {
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checkComputed();
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return snippetFiles;
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}
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public String getContents() {
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checkComputed();
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return sb.toString();
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}
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public void saveContentsToFile(Path destPath) throws IOException {
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Files.writeString(destPath, getContents(), StandardOpenOption.CREATE);
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}
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public void saveLineNumbersToCsv(Path destPath) throws IOException {
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checkComputed();
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try (var writer = Files.newBufferedWriter(destPath, StandardOpenOption.CREATE)) {
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writer.write("File,MainStart,MainEnd,ClientStart,ClientEnd\n");
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for (var metadata : snippetFiles) {
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writer.write(
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metadata.file.getFileName() + "," +
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metadata.mainStartIndex + "," +
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metadata.mainEndIndex + "," +
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metadata.clientStartIndex + "," +
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metadata.clientEndIndex + "\n"
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);
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}
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}
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}
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public void computeContents() throws IOException {
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snippetFiles = new ArrayList<>(256);
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final String classFileName = getClass().getSimpleName() + ".java";
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sb = new StringBuilder(1 << 17)
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.append("# Vonage Java SDK Code Snippets\n")
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.append("Here are all the snippets in this repository.\n")
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.append("This file was generated by running [").append(classFileName)
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.append("](src/main/java/").append(classFileName)
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.append(") from the root of the repository.")
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.append("\n\n## Contents");
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22-
var allDirs = Files.list(snippetsSrcRoot)
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.filter(Files::isDirectory)
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var allDirs = getAllDirsSorted();
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for (var file : allDirs) {
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var title = toHeadingTitle(file.getName());
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sb.append("\n- [**").append(title).append("**](#")
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.append(title.toLowerCase().replace(' ', '-')).append(")");
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}
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sb.append("\n\n");
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for (var file : allDirs) {
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appendSnippetContent(file, 2);
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}
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}
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private List<File> getAllDirsSorted() {
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try (var pathStream = Files.list(snippetsSrcRoot)) {
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return pathStream.filter(Files::isDirectory)
24123
.map(Path::toFile)
25124
.sorted((f1, f2) -> {
26125
if (isInitialize(f1)) return -1;
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if (isInitialize(f2)) return 1;
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return f1.getName().compareToIgnoreCase(f2.getName());
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})
30129
.toList();
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}
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catch (IOException ex) {
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System.err.println("Could not read "+snippetsSrcRoot+": " + ex.getMessage());
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return List.of();
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}
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}
31136

32-
for (var file : allDirs) {
33-
var title = toHeadingTitle(file.getName());
34-
sb.append("\n- [**").append(title).append("**](#")
35-
.append(title.toLowerCase().replace(' ', '-')).append(")");
137+
private void appendSnippetContent(File path, int level) throws IOException {
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var fileName = path.getName();
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if (path.isFile()) {
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fileName = fileName.substring(0, fileName.lastIndexOf('.'));
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}
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if (fileName.trim().length() < 3) return;
143+
144+
sb.append("#".repeat(level)).append(' ').append(toHeadingTitle(fileName)).append('\n');
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if (path.isDirectory()) {
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for (var file : Objects.requireNonNull(path.listFiles())) {
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appendSnippetContent(file, level + 1);
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}
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}
37-
sb.append("\n");
150+
else if (level > 2 && path.getName().endsWith(".java")) {
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final String fileContent = Files.readString(path.toPath()),
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clientInitEndStr = ".build();\n\n",
153+
clientInitStartStr = "VonageClient client";
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39-
for (var file : allDirs) {
40-
appendSnippetContent(sb, file, 2);
155+
final int clientInitStartIndex = fileContent.indexOf(clientInitStartStr) - 8,
156+
clientInitEndIndex = fileContent.indexOf(clientInitEndStr) + 11,
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endIndex = fileContent.lastIndexOf('}', fileContent.lastIndexOf('}') - 1) - 1,
158+
startIndex = Math.min(endIndex, clientInitStartIndex > 0 ?
159+
(isInitialize(path.getParentFile()) ? clientInitStartIndex : clientInitEndIndex) :
160+
fileContent.indexOf('{', fileContent.indexOf('{') + 1) + 2
161+
);
162+
163+
final String nugget = fileContent.substring(startIndex, endIndex)
164+
.stripTrailing().stripIndent().replace("\t", " ");
165+
166+
sb.append("\n```java\n").append(nugget).append("\n```\n");
167+
168+
boolean standalone = clientInitEndIndex < 12;
169+
snippetFiles.add(new CodeSnippetFileInfo(path.toPath(),
170+
lineNumberFromIndex(fileContent, startIndex) + 1,
171+
lineNumberFromIndex(fileContent, endIndex),
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standalone ? -1 : lineNumberFromIndex(fileContent, clientInitStartIndex) + 1,
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standalone ? -1 : lineNumberFromIndex(fileContent, clientInitEndIndex)
174+
));
41175
}
176+
}
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43-
var destPath = repoRoot.resolve("SNIPPETS.md");
44-
Files.deleteIfExists(destPath);
45-
Files.writeString(destPath, sb.toString(), StandardOpenOption.CREATE_NEW);
178+
private static int lineNumberFromIndex(String content, int index) {
179+
if (index < 0) return -1;
180+
return content.substring(0, index).split("\n").length;
46181
}
47182

48-
static boolean isInitialize(File file) {
183+
private static boolean isInitialize(File file) {
49184
return file.getName().equals("initialize");
50185
}
51186

52-
static String toHeadingTitle(String title) {
187+
private static String toHeadingTitle(String title) {
53188
var acronyms = new String[]{
54189
"jwt", "id", "uuid", "url", "sim",
55190
"sms", "rcs", "mms", "psd2", "dlr", "cnam",
@@ -73,34 +208,4 @@ static String toHeadingTitle(String title) {
73208
}
74209
return result;
75210
}
76-
77-
static void appendSnippetContent(StringBuilder contentBuilder, File path, int level) throws IOException {
78-
var fileName = path.getName();
79-
if (path.isFile()) {
80-
fileName = fileName.substring(0, fileName.lastIndexOf('.'));
81-
}
82-
if (fileName.trim().length() < 3) return;
83-
84-
contentBuilder.append("#".repeat(level)).append(' ').append(toHeadingTitle(fileName)).append('\n');
85-
if (path.isDirectory()) {
86-
for (var file : Objects.requireNonNull(path.listFiles())) {
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appendSnippetContent(contentBuilder, file, level + 1);
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}
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}
90-
else if (level > 2 && path.getName().endsWith(".java")) {
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final var fileContent = Files.readString(path.toPath());
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final var clientInitEndStr = ".build();\n\n";
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final var clientInitStartStr = "VonageClient client";
94-
final int endIndex = fileContent.lastIndexOf('}', fileContent.lastIndexOf('}') - 1) - 1;
95-
final int startIndex = Math.min(endIndex, fileContent.contains(clientInitStartStr) ?
96-
(isInitialize(path.getParentFile()) ? fileContent.indexOf(clientInitStartStr) - 8 :
97-
fileContent.indexOf(clientInitEndStr) + clientInitEndStr.length()) :
98-
fileContent.indexOf('{', fileContent.indexOf('{') + 1) + 2
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);
100-
101-
final var nugget = fileContent.substring(startIndex, endIndex)
102-
.stripTrailing().stripIndent().replace("\t", " ");
103-
contentBuilder.append("\n```java\n").append(nugget).append("\n```\n");
104-
}
105-
}
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}

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