Paper/paper-api/pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.bukkit</groupId>
    <artifactId>bukkit</artifactId>
    <version>1.12.2-R0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>Bukkit</name>
    <url>https://www.spigotmc.org/</url>
    <description>A plugin API for Minecraft servers.</description>

    <properties>
        <maven.compiler.source>1.6</maven.compiler.source>
        <maven.compiler.target>1.6</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <distributionManagement>
        <repository>
            <id>spigotmc-releases</id>
            <url>https://hub.spigotmc.org/nexus/content/repositories/releases/</url>
        </repository>
        <snapshotRepository>
            <id>spigotmc-snapshots</id>
            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
        </snapshotRepository>
    </distributionManagement>

    <repositories>
        <repository>
            <id>spigotmc-public</id>
            <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>spigotmc-public</id>
            <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
        </pluginRepository>
    </pluginRepositories>

    <dependencies>
        <dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.6</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.googlecode.json-simple</groupId>
            <artifactId>json-simple</artifactId>
            <version>1.1.1</version>
            <scope>compile</scope>
        </dependency>
        <!-- bundled with Minecraft, should be kept in sync -->
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>21.0</version>
            <scope>compile</scope>
        </dependency>
        <!-- bundled with Minecraft, should be kept in sync -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.8.0</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>org.yaml</groupId>
            <artifactId>snakeyaml</artifactId>
            <version>1.19</version>
            <scope>compile</scope>
        </dependency>
        <!-- testing -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.hamcrest</groupId>
            <artifactId>hamcrest-library</artifactId>
            <version>1.3</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.7.0</version>
                <configuration>
                    <!-- we use the Eclipse compiler as it doesn't need a JDK -->
                    <compilerId>eclipse</compilerId>
                </configuration>
                <dependencies>
                    <!-- we need our custom version as it fixes some bugs on case sensitive file systems -->
                    <dependency>
                        <groupId>org.codehaus.plexus</groupId>
                        <artifactId>plexus-compiler-eclipse</artifactId>
                        <version>2.8.2-spigotmc</version>
                    </dependency>
                </dependencies>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>animal-sniffer-maven-plugin</artifactId>
                <version>1.16</version>
                <executions>
                    <execution>
                        <phase>process-classes</phase>
                        <goals>
                            <goal>check</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <signature>
                        <groupId>org.codehaus.mojo.signature</groupId>
                        <artifactId>java16</artifactId>
                        <version>1.1</version>
                    </signature>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.1.0</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <!-- when downloading via Maven we can pull depends individually -->
                    <shadedArtifactAttached>true</shadedArtifactAttached>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>