Method constructor

packages/core/ui/styling/style-scope.ts:95–102

(
		private _ast: ReworkCSS.SyntaxTree,
		private _url: string,
		private _file: string,
		private _source: string,
	)

	private _keyframes: Keyframes[] = [];

	private constructor(
		private _ast: ReworkCSS.SyntaxTree,
		private _url: string,
		private _file: string,
		private _source: string,
	) {
		this.parse();
	}

	public static fromDetect(cssOrAst: any, fileName?: string): CSSSource {
		if (typeof cssOrAst === 'string') {