Plugin does not compile
Jenkins job is broken: https://josm.openstreetmap.de/jenkins/job/JOSM-Plugins/jdk=JDK8/1736/console
test-compile:
[javac] Compiling 17 source files to /var/lib/jenkins/jobs/JOSM-Plugins/workspace/jdk/JDK8/wikipedia/test/build/unit
[javac] /var/lib/jenkins/jobs/JOSM-Plugins/workspace/jdk/JDK8/wikipedia/test/unit/org/wikipedia/api/wikidata_action/WikidataActionApiTestAbstract.java:13: error: package com.github.jknack.handlebars.internal does not exist
[javac] import com.github.jknack.handlebars.internal.Files;
[javac] ^
[javac] /var/lib/jenkins/jobs/JOSM-Plugins/workspace/jdk/JDK8/wikipedia/test/unit/org/wikipedia/api/wikidata_action/WikidataActionApiTestAbstract.java:65: error: cannot find symbol
[javac] .withBody(Files.read(WikidataActionApiQueryTest.class.getResourceAsStream("response/sitematrix/sitematrix.json"), StandardCharsets.UTF_8))
[javac] ^
[javac] symbol: variable Files
[javac] location: class WikidataActionApiTestAbstract
[javac] 2 errors