The SPI Bare contains the SPI excluding the Authorization SPI.
'org.picketbox:picketbox-spi-bare:4.0.19.SP2'
<dependency>
<groupId>org.picketbox</groupId>
<artifactId>picketbox-spi-bare</artifactId>
<version>4.0.19.SP2</version>
</dependency>
<dependency org="org.picketbox" name="picketbox-spi-bare" rev="4.0.19.SP2"/>
"org.picketbox", "picketbox-spi-bare", "4.0.19.SP2"