增加了一个OtmKey的定义,暂时没用上

lib/types/Entity.d.ts

@@ -181,4 +181,5 @@ export declare type Configuration = {
     actionType?: ActionType;
     static?: boolean;
 };
+export declare type OtmKey<K extends string> = K | `${K}$${number}`;
 export {};

src/types/Entity.ts

@@ -257,3 +257,6 @@ export type Configuration = {
     actionType?: ActionType;
     static?: boolean;    // 标识是维表（变动较小，相对独立）
 };
+
+// 一对多的键值的扩展
+export type OtmKey<K extends string> = K | `${K}$${number}`;