The jars for CXF JAX-RS are found in Maven:
<!-- https://mvnrepository.com/artifact/org.apache.cxf/cxf-rt-rs-client -->
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-client</artifactId>
<version>3.1.10</version>
...
