line.startsWith("DEFAULT_JVM_OPTS='") && line.endsWith('\'') -> {
                    ++replacementsCount
                    // Use shell's string concatenation: '...'"..." glues contents of quoted and double-quoted strings together.
                    // The result would be something like DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'" \"-javaagent:$APP_HOME/lib/agents/foobar.jar\""