plugins Ġ{ ĊĠ Ġid (" java - library ") ĊĠ Ġid (" kotlin - jvm - convention ") ĊĠ Ġ` maven - publish ` Ċ } Ċ Ċ java Ġ{ ĊĠĠĠ Ġsource Compatibility Ġ= ĠJava Version . VERSION _ 1 _ 8 ĊĠĠĠ Ġtarget Compatibility Ġ= ĠJava Version . VERSION _ 1 _ 8 Ċ }