src/vs/editor/contrib/inlayHints/browser/inlayHintsController.ts/InlayHintsController/_getLayoutInfo
class InlayHintsController:	private _getLayoutInfo() {
		const options = this._editor.getOption(EditorOption.inlayHints);
		const padding = options.padding;

		const editorFontSize = this._editor.getOption(EditorOption.fontSize);
		const editorFontFamily = this._editor.getOption(EditorOption.fontFamily);

		let fontSize = options.fontSize;
		if (!fontSize || fontSize < 5 || fontSize > editorFontSize) {
			fontSize = editorFontSize;
		}

		const fontFamily = options.fontFamily || editorFontFamily;

		const isUniform = !padding
			&& fontFamily === editorFontFamily
			&& fontSize === editorFontSize;

		return { fontSize, fontFamily, padding, isUniform };
	}