<dependency>
  <groupId>com.github.marklister</groupId>
  <artifactId>base64_2.11</artifactId>
  <version>0.2.9</version>
</dependency>

implementation 'com.github.marklister:base64_2.11:0.2.9'

implementation("com.github.marklister:base64_2.11:0.2.9")

libraryDependencies += "com.github.marklister" % "base64_2.11" % "0.2.9"

@Grapes(
  @Grab(group='com.github.marklister', module='base64_2.11', version='0.2.9')
)

<dependency org="com.github.marklister" name="base64_2.11" rev="0.2.9" />

[com.github.marklister/base64_2.11 "0.2.9"]

'com.github.marklister:base64_2.11:jar:0.2.9'