--- /dev/null
+import Container from './container';
+import postcss from './postcss';
+export default class AtRule extends Container implements postcss.AtRule {
+ /**
+ * Returns a string representing the node's type. Possible values are
+ * root, atrule, rule, decl or comment.
+ */
+ type: string;
+ /**
+ * Contains information to generate byte-to-byte equal node string as it
+ * was in origin input.
+ */
+ raws: postcss.AtRuleRaws;
+ /**
+ * The identifier that immediately follows the @.
+ */
+ name: string;
+ /**
+ * These are the values that follow the at-rule's name, but precede any {}
+ * block. The spec refers to this area as the at-rule's "prelude".
+ */
+ params: string;
+ /**
+ * Represents an at-rule. If it's followed in the CSS by a {} block, this
+ * node will have a nodes property representing its children.
+ */
+ constructor(defaults?: postcss.AtRuleNewProps);
+ /**
+ * @param overrides New properties to override in the clone.
+ * @returns A clone of this node. The node and its (cloned) children will
+ * have a clean parent and code style properties.
+ */
+ clone(overrides?: Object): AtRule;
+ toJSON(): postcss.JsonAtRule;
+ append(...children: any[]): this;
+ prepend(...children: any[]): this;
+ afterName: string;
+ _params: string;
+}