Initial work is done

node_modules/ts-mixer/dist/esm/util.d.ts

@@ -0,0 +1,27 @@
+/**
+ * Utility function that works like `Object.apply`, but copies getters and setters properly as well.  Additionally gives
+ * the option to exclude properties by name.
+ */
+export declare const copyProps: (dest: object, src: object, exclude?: string[]) => void;
+/**
+ * Returns the full chain of prototypes up until Object.prototype given a starting object.  The order of prototypes will
+ * be closest to farthest in the chain.
+ */
+export declare const protoChain: (obj: object, currentChain?: object[]) => object[];
+/**
+ * Identifies the nearest ancestor common to all the given objects in their prototype chains.  For most unrelated
+ * objects, this function should return Object.prototype.
+ */
+export declare const nearestCommonProto: (...objs: object[]) => object | undefined;
+/**
+ * Creates a new prototype object that is a mixture of the given prototypes.  The mixing is achieved by first
+ * identifying the nearest common ancestor and using it as the prototype for a new object.  Then all properties/methods
+ * downstream of this prototype (ONLY downstream) are copied into the new object.
+ *
+ * The resulting prototype is more performant than softMixProtos(...), as well as ES5 compatible.  However, it's not as
+ * flexible as updates to the source prototypes aren't captured by the mixed result.  See softMixProtos for why you may
+ * want to use that instead.
+ */
+export declare const hardMixProtos: (ingredients: any[], constructor: Function | null, exclude?: string[]) => object;
+export declare const unique: <T>(arr: T[]) => T[];
+export declare const flatten: <T>(arr: T[][]) => T[];