JavaSE-9 Execution Environment Description

<!-- https://jarcasting.com/artifacts/org.eclipse.pde/org.eclipse.pde.api.tools.ee.javase9/ -->
<dependency>
    <groupId>org.eclipse.pde</groupId>
    <artifactId>org.eclipse.pde.api.tools.ee.javase9</artifactId>
    <version>1.0.300</version>
</dependency>

// https://jarcasting.com/artifacts/org.eclipse.pde/org.eclipse.pde.api.tools.ee.javase9/
implementation 'org.eclipse.pde:org.eclipse.pde.api.tools.ee.javase9:1.0.300'

// https://jarcasting.com/artifacts/org.eclipse.pde/org.eclipse.pde.api.tools.ee.javase9/
implementation ("org.eclipse.pde:org.eclipse.pde.api.tools.ee.javase9:1.0.300")

'org.eclipse.pde:org.eclipse.pde.api.tools.ee.javase9:jar:1.0.300'

<dependency org="org.eclipse.pde" name="org.eclipse.pde.api.tools.ee.javase9" rev="1.0.300">
  <artifact name="org.eclipse.pde.api.tools.ee.javase9" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.eclipse.pde', module='org.eclipse.pde.api.tools.ee.javase9', version='1.0.300')
)

libraryDependencies += "org.eclipse.pde" % "org.eclipse.pde.api.tools.ee.javase9" % "1.0.300"

[org.eclipse.pde/org.eclipse.pde.api.tools.ee.javase9 "1.0.300"]