src/vs/workbench/services/extensions/common/abstractExtensionService.ts/ExtensionInfo/kind
class ExtensionInfo:	public get kind(): ExtensionKind[] {
		// in case of disagreements between extension kinds, it is always
		// better to pick the local extension because it has a much higher
		// chance of being up-to-date
		if (this.local) {
			return this.local.kind;
		}
		return this.remote!.kind;
	}