src/vs/editor/common/model/tokenizationTextModelPart.ts/TokenizationTextModelPart/_emitModelTokensChangedEvent
class TokenizationTextModelPart:	private _emitModelTokensChangedEvent(e: IModelTokensChangedEvent): void {
		if (!this._textModel._isDisposing()) {
			this.bracketPairsTextModelPart.handleDidChangeTokens(e);
			this._onDidChangeTokens.fire(e);
		}
	}