Eclipse: How to set word as auto activation trigger for code completion

I'd like to have as auto activation trigger for autocompletion in eclipse word "new " (with space inclu开发者_高级运维ded), not only single character. Is this possible?

Thanks

Note: This can be found under Window - Preferences - Editor - Content Assist

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No, doesn't look like it. And as I'm sure you already know, just a space triggers on far too many contexts.