Fix circular dependencies in migrator

src/di/types.ts

@@ -23,6 +23,16 @@ export function isInstantiable<T>(what: unknown): what is Instantiable<T> {
     )
 }
 
+/**
+ * Returns true if the given value is instantiable and, once instantiated,
+ * will create an instance of the given static class.
+ * @param what
+ * @param type
+ */
+export function isInstantiableOf<T>(what: unknown, type: StaticClass<T, any>): what is Instantiable<T> {
+    return isInstantiable(what) && what.prototype instanceof type
+}
+
 /**
  * Type that identifies a value as a static class, even if it is not instantiable.
  */
@@ -41,6 +51,11 @@ export function isStaticClass<T, T2>(something: unknown): something is StaticCla
  */
 export type DependencyKey = Instantiable<any> | StaticClass<any, any> | string
 
+/**
+ * A DependencyKey, but typed
+ */
+export type TypedDependencyKey<T> = Instantiable<T> | StaticClass<T, any> | string
+
 /**
  * Interface used to store dependency requirements by their place in the injectable
  * target's parameters.
@@ -58,6 +73,7 @@ export interface DependencyRequirement {
 export interface PropertyDependency {
     key: DependencyKey,
     property: string | symbol,
+    debug?: boolean,
 }
 
 /**