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diff --git a/school/node_modules/graphql/jsutils/Path.js.flow b/school/node_modules/graphql/jsutils/Path.js.flow
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+// @flow strict
+export type Path = {|
+ +prev: Path | void,
+ +key: string | number,
+ +typename: string | void,
+|};
+
+/**
+ * Given a Path and a key, return a new Path containing the new key.
+ */
+export function addPath(
+ prev: $ReadOnly<Path> | void,
+ key: string | number,
+ typename: string | void,
+): Path {
+ return { prev, key, typename };
+}
+
+/**
+ * Given a Path, return an Array of the path keys.
+ */
+export function pathToArray(path: ?$ReadOnly<Path>): Array<string | number> {
+ const flattened = [];
+ let curr = path;
+ while (curr) {
+ flattened.push(curr.key);
+ curr = curr.prev;
+ }
+ return flattened.reverse();
+}