<dependency>
  <groupId>io.github.xanderwang</groupId>
  <artifactId>notnullgson</artifactId>
  <version>0.2.1</version>
</dependency>

implementation 'io.github.xanderwang:notnullgson:0.2.1'

implementation("io.github.xanderwang:notnullgson:0.2.1")

libraryDependencies += "io.github.xanderwang" % "notnullgson" % "0.2.1"

@Grapes(
  @Grab(group='io.github.xanderwang', module='notnullgson', version='0.2.1')
)

<dependency org="io.github.xanderwang" name="notnullgson" rev="0.2.1" />

[io.github.xanderwang/notnullgson "0.2.1"]

'io.github.xanderwang:notnullgson:jar:0.2.1'