<dependency>
  <groupId>org.apache.tomcat</groupId>
  <artifactId>tomcat-api</artifactId>
  <version>7.0.99</version>
</dependency>

implementation 'org.apache.tomcat:tomcat-api:7.0.99'

implementation("org.apache.tomcat:tomcat-api:7.0.99")

libraryDependencies += "org.apache.tomcat" % "tomcat-api" % "7.0.99"

@Grapes(
  @Grab(group='org.apache.tomcat', module='tomcat-api', version='7.0.99')
)

<dependency org="org.apache.tomcat" name="tomcat-api" rev="7.0.99" />

[org.apache.tomcat/tomcat-api "7.0.99"]

'org.apache.tomcat:tomcat-api:jar:7.0.99'