Index: node_modules/postcss/lib/document.d.ts
===================================================================
--- node_modules/postcss/lib/document.d.ts	(revision 2058e5c694bb6097866a5fe6503c519e8f74970f)
+++ node_modules/postcss/lib/document.d.ts	(revision 2058e5c694bb6097866a5fe6503c519e8f74970f)
@@ -0,0 +1,69 @@
+import Container, { ContainerProps } from './container.js'
+import { ProcessOptions } from './postcss.js'
+import Result from './result.js'
+import Root from './root.js'
+
+declare namespace Document {
+  export interface DocumentProps extends ContainerProps {
+    nodes?: readonly Root[]
+
+    /**
+     * Information to generate byte-to-byte equal node string as it was
+     * in the origin input.
+     *
+     * Every parser saves its own properties.
+     */
+    raws?: Record<string, any>
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-use-before-define
+  export { Document_ as default }
+}
+
+/**
+ * Represents a file and contains all its parsed nodes.
+ *
+ * **Experimental:** some aspects of this node could change within minor
+ * or patch version releases.
+ *
+ * ```js
+ * const document = htmlParser(
+ *   '<html><style>a{color:black}</style><style>b{z-index:2}</style>'
+ * )
+ * document.type         //=> 'document'
+ * document.nodes.length //=> 2
+ * ```
+ */
+declare class Document_ extends Container<Root> {
+  nodes: Root[]
+  parent: undefined
+  type: 'document'
+
+  constructor(defaults?: Document.DocumentProps)
+
+  assign(overrides: Document.DocumentProps | object): this
+  clone(overrides?: Partial<Document.DocumentProps>): this
+  cloneAfter(overrides?: Partial<Document.DocumentProps>): this
+  cloneBefore(overrides?: Partial<Document.DocumentProps>): this
+
+  /**
+   * Returns a `Result` instance representing the document’s CSS roots.
+   *
+   * ```js
+   * const root1 = postcss.parse(css1, { from: 'a.css' })
+   * const root2 = postcss.parse(css2, { from: 'b.css' })
+   * const document = postcss.document()
+   * document.append(root1)
+   * document.append(root2)
+   * const result = document.toResult({ to: 'all.css', map: true })
+   * ```
+   *
+   * @param opts Options.
+   * @return Result with current document’s CSS.
+   */
+  toResult(options?: ProcessOptions): Result
+}
+
+declare class Document extends Document_ {}
+
+export = Document
