# Core Packages

<table><thead><tr><th width="317">Package</th><th>Definition</th></tr></thead><tbody><tr><td>com.rierino.core</td><td>Provides common interfaces, structures and functionality used in different libraries</td></tr><tr><td>com.rierino.rest</td><td>Provides shared web client capabilities to runners and gateway components</td></tr><tr><td>com.rierino.fs</td><td>Provides shared file system client capabilities to runners and gateway components</td></tr></tbody></table>