src/vs/workbench/contrib/emmet/browser/emmetActions.ts/GrammarContributions/fillModeScopeMap
class GrammarContributions:	private fillModeScopeMap(contributions: ExtensionPointContribution<ITMSyntaxExtensionPoint[]>[]) {
		contributions.forEach((contribution) => {
			contribution.value.forEach((grammar) => {
				if (grammar.language && grammar.scopeName) {
					GrammarContributions._grammars[grammar.language] = grammar.scopeName;
				}
			});
		});
	}