<dependency>
  <groupId>com.mchange</groupId>
  <artifactId>c3p0</artifactId>
  <version>0.9.5.2</version>
</dependency>

implementation 'com.mchange:c3p0:0.9.5.2'

implementation("com.mchange:c3p0:0.9.5.2")

libraryDependencies += "com.mchange" % "c3p0" % "0.9.5.2"

@Grapes(
  @Grab(group='com.mchange', module='c3p0', version='0.9.5.2')
)

<dependency org="com.mchange" name="c3p0" rev="0.9.5.2" />

[com.mchange/c3p0 "0.9.5.2"]

'com.mchange:c3p0:jar:0.9.5.2'