<dependency>
  <groupId>io.mraa.at.upm</groupId>
  <artifactId>upm_dfrec</artifactId>
  <version>1.7.1</version>
  <type>aar</type>
</dependency>

implementation 'io.mraa.at.upm:upm_dfrec:1.7.1'

implementation("io.mraa.at.upm:upm_dfrec:1.7.1")

libraryDependencies += "io.mraa.at.upm" % "upm_dfrec" % "1.7.1"

@Grapes(
  @Grab(group='io.mraa.at.upm', module='upm_dfrec', version='1.7.1')
)

<dependency org="io.mraa.at.upm" name="upm_dfrec" rev="1.7.1" />

[io.mraa.at.upm/upm_dfrec "1.7.1"]

'io.mraa.at.upm:upm_dfrec:jar:1.7.1'