fix: Correct type declaration errors and enhance parameter descriptio…

…ns for insert, delete, exists methods

package.json

@@ -1,12 +1,13 @@
 {
   "name": "serializable-bptree",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "description": "Store the B+tree flexibly, not only in-memory.",
-  "main": "dist/cjs/index.cjs",
-  "module": "dist/esm/index.mjs",
-  "typings": "dist/typings/index.d.ts",
+  "types": "./dist/types/index.d.ts",
+  "main": "./dist/cjs/index.cjs",
+  "module": "./dist/esm/index.mjs",
   "exports": {
     ".": {
+      "types": "./dist/types/index.d.ts",
       "import": "./dist/esm/index.mjs",
       "require": "./dist/cjs/index.cjs"
     }

src/base/BPTree.ts

@@ -189,19 +189,19 @@ export abstract class BPTree<K, V> {
   /**
    * You enter the key and value as a pair. You can later search for the pair by value.
    * This data is stored in the tree, sorted in ascending order of value.
-   * @param key The key of the pair.
+   * @param key The key of the pair. This key must be unique.
    * @param value The value of the pair.
    */
   public abstract insert(key: K, value: V): Deferred<void>
   /**
    * Deletes the pair that matches the key and value.
-   * @param key The key of the pair.
+   * @param key The key of the pair. This key must be unique.
    * @param value The value of the pair.
    */
   public abstract delete(key: K, value: V): Deferred<void>
   /**
    * It returns whether there is a value in the tree.
-   * @param key The key value to search for.
+   * @param key The key value to search for. This key must be unique.
    * @param value The value to search for.
    */
   public abstract exists(key: K, value: V): Deferred<boolean>

tsconfig.json

@@ -49,7 +49,7 @@
     "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
     // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
     // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
-    "outDir": "./dist/typings",                                   /* Specify an output folder for all emitted files. */
+    "outDir": "./dist/types",                                   /* Specify an output folder for all emitted files. */
     // "removeComments": true,                           /* Disable emitting comments. */
     // "noEmit": true,                                   /* Disable emitting files from a compilation. */
     // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */