External Tools Headless Support

<!-- https://jarcasting.com/artifacts/org.eclipse.platform/org.eclipse.core.externaltools/ -->
<dependency>
    <groupId>org.eclipse.platform</groupId>
    <artifactId>org.eclipse.core.externaltools</artifactId>
    <version>1.2.200</version>
</dependency>

// https://jarcasting.com/artifacts/org.eclipse.platform/org.eclipse.core.externaltools/
implementation 'org.eclipse.platform:org.eclipse.core.externaltools:1.2.200'

// https://jarcasting.com/artifacts/org.eclipse.platform/org.eclipse.core.externaltools/
implementation ("org.eclipse.platform:org.eclipse.core.externaltools:1.2.200")

'org.eclipse.platform:org.eclipse.core.externaltools:jar:1.2.200'

<dependency org="org.eclipse.platform" name="org.eclipse.core.externaltools" rev="1.2.200">
  <artifact name="org.eclipse.core.externaltools" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.eclipse.platform', module='org.eclipse.core.externaltools', version='1.2.200')
)

libraryDependencies += "org.eclipse.platform" % "org.eclipse.core.externaltools" % "1.2.200"

[org.eclipse.platform/org.eclipse.core.externaltools "1.2.200"]