diff --git a/ets2panda/linter/src/lib/TypeScriptLinter.ts b/ets2panda/linter/src/lib/TypeScriptLinter.ts
index 1e0dd75815109e868dd9b34384f35e41c0523c98..2c0f8f9ece2b95629ab572be45269aabd551a055 100644
--- a/ets2panda/linter/src/lib/TypeScriptLinter.ts
+++ b/ets2panda/linter/src/lib/TypeScriptLinter.ts
@@ -87,12 +87,8 @@ import { BUILTIN_GENERIC_CONSTRUCTORS } from './utils/consts/BuiltinGenericConst
 import { DEFAULT_DECORATOR_WHITE_LIST } from './utils/consts/DefaultDecoratorWhitelist';
 import { INVALID_IDENTIFIER_KEYWORDS } from './utils/consts/InValidIndentifierKeywords';
 import { WORKER_MODULES, WORKER_TEXT } from './utils/consts/WorkerAPI';
-import {
-  COLLECTIONS_TEXT,
-  COLLECTIONS_MODULES,
-  BIT_VECTOR,
-  ARKTS_COLLECTIONS_MODULE
-} from './utils/consts/CollectionsAPI';
+import type { BitVectorUsage } from './utils/consts/CollectionsAPI';
+import { COLLECTIONS_TEXT, COLLECTIONS_MODULES, BIT_VECTOR } from './utils/consts/CollectionsAPI';
 import { ASON_TEXT, ASON_MODULES, ARKTS_UTILS_TEXT, JSON_TEXT, ASON_WHITE_SET } from './utils/consts/ArkTSUtilsAPI';
 import { interanlFunction } from './utils/consts/InternalFunction';
 import { ETS_PART, PATH_SEPARATOR } from './utils/consts/OhmUrl';
@@ -3875,7 +3871,7 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
       }) || false;
     const classType: ts.Type | undefined = this.getClassType(classDecl, isStatic);
     const allBaseTypes = classType && this.getAllBaseTypes(classType, classDecl, isStatic);
-  
+
     if (!allBaseTypes || allBaseTypes.length === 0) {
       return;
     }
@@ -4113,7 +4109,7 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     for (let i = 0; i < Math.min(derivedParams.length, baseParams.length); i++) {
       const baseParam = baseParams[i];
       const derivedParam = derivedParams[i];
-      
+
       if (!baseParam.questionToken && derivedParam.questionToken) {
         this.incrementCounters(derivedParam, FaultID.MethodInheritRule);
         return;
@@ -8446,21 +8442,10 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     if (!ts.isIdentifier(ident)) {
       return;
     }
-    const importBitVectorAutofix = this.checkBitVector(ident);
-    const replace = this.autofixer?.replaceNode(node, ident.getText());
-    let autofix: Autofix[] | undefined = [];
-
-    if (replace) {
-      autofix = replace;
-    }
-
-    if (importBitVectorAutofix) {
-      autofix.push(importBitVectorAutofix);
-    }
-
-    if (autofix.length === 0) {
-      autofix = undefined;
+    if (this.isBitVector(ident)) {
+      return;
     }
+    const autofix = this.autofixer?.replaceNode(node, ident.getText());
 
     this.incrementCounters(node, FaultID.NoNeedStdLibSendableContainer, autofix);
   }
@@ -8489,9 +8474,19 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
       }
 
       if (ts.isImportSpecifier(parent) && ts.isIdentifier(node)) {
+        const bitVectorUsed = this.checkBitVector(node.getSourceFile());
+
+        if (bitVectorUsed?.used) {
+          const ns = bitVectorUsed.ns;
+          if (parent.name.text === ns) {
+            return;
+          }
+        }
+
         if (parent.propertyName && node.text === parent.propertyName.text) {
           return;
         }
+
         const autofix = this.autofixer?.removeImport(node, parent);
         this.incrementCounters(node, FaultID.NoNeedStdLibSendableContainer, autofix);
       }
@@ -8558,29 +8553,28 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     }
   }
 
-  private checkBitVector(ident: ts.Identifier): Autofix | undefined {
-    if (!this.isBitVector(ident)) {
-      return undefined;
-    }
+  private checkBitVector(node: ts.Node): BitVectorUsage {
+    if (!ts.isIdentifier(node)) {
+      let isBitVector: BitVectorUsage;
+      node.forEachChild((child) => {
+        const checked = this.checkBitVector(child);
+        if (checked?.used) {
+          isBitVector = checked;
+        }
+      });
 
-    let lastImportDeclaration: ts.Node | undefined;
-    let bitVectorImported: boolean = false;
-    for (const node of this.sourceFile.statements) {
-      if (!ts.isImportDeclaration(node)) {
-        continue;
-      }
-      lastImportDeclaration = node;
+      return isBitVector;
+    }
 
-      if (this.checkImportDeclarationForBitVector(node)) {
-        bitVectorImported = true;
-      }
+    if (!this.isBitVector(node)) {
+      return { ns: '', used: false };
     }
 
-    if (bitVectorImported) {
+    if (!ts.isPropertyAccessExpression(node.parent)) {
       return undefined;
     }
 
-    return this.autofixer?.importBitVector(ident, lastImportDeclaration);
+    return { ns: node.parent.expression.getText(), used: true };
   }
 
   private isBitVector(ident: ts.Identifier): boolean {
@@ -8589,33 +8583,6 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     return ident.text === BIT_VECTOR;
   }
 
-  private checkImportDeclarationForBitVector(node: ts.ImportDeclaration): boolean {
-    const importSpecifier = node.moduleSpecifier;
-    if (!ts.isStringLiteral(importSpecifier)) {
-      return false;
-    }
-    const importSpecifierText = importSpecifier.text;
-
-    const importClause = node.importClause;
-    if (!importClause) {
-      return false;
-    }
-
-    const namedBindings = importClause.namedBindings;
-    if (!namedBindings || !ts.isNamedImports(namedBindings)) {
-      return false;
-    }
-
-    let bitVectorImported = false;
-    for (const specifier of namedBindings.elements) {
-      if (this.isBitVector(specifier.name) && importSpecifierText === ARKTS_COLLECTIONS_MODULE) {
-        bitVectorImported = true;
-      }
-    }
-
-    return bitVectorImported;
-  }
-
   interfacesNeedToAlarm: ts.Identifier[] = [];
   interfacesNeedToImport: Set<string> = new Set<string>();
   interfacesAlreadyImported: Set<string> = new Set<string>();
@@ -10281,6 +10248,14 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     }
 
     for (const spec of forbiddenNamed) {
+      const bitVectorUsed = this.checkBitVector(spec.getSourceFile());
+
+      if (bitVectorUsed?.used) {
+        const ns = bitVectorUsed.ns;
+        if (spec.name.text === ns) {
+          continue;
+        }
+      }
       const autofix = this.autofixer?.removeImportSpecifier(spec, importDeclaration);
       this.incrementCounters(spec, FaultID.LimitedStdLibNoImportConcurrency, autofix);
     }
@@ -13551,8 +13526,8 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     }
 
     if (
-      (ts.isIdentifier(typeRef.typeName) && typeRef.typeName.text === ES_OBJECT) ||
-      (ts.isQualifiedName(typeRef.typeName) && typeRef.typeName.right.text === ES_OBJECT)
+      ts.isIdentifier(typeRef.typeName) && typeRef.typeName.text === ES_OBJECT ||
+      ts.isQualifiedName(typeRef.typeName) && typeRef.typeName.right.text === ES_OBJECT
     ) {
       this.incrementCounters(typeRef, FaultID.NoESObjectSupport);
     }
diff --git a/ets2panda/linter/src/lib/utils/consts/CollectionsAPI.ts b/ets2panda/linter/src/lib/utils/consts/CollectionsAPI.ts
index 331a36bb29639f47336a980fbe78db1f32e6ab0f..447620d50e90fa86cd474f73c9baa192cf6db826 100644
--- a/ets2panda/linter/src/lib/utils/consts/CollectionsAPI.ts
+++ b/ets2panda/linter/src/lib/utils/consts/CollectionsAPI.ts
@@ -17,3 +17,5 @@ export const COLLECTIONS_TEXT = 'collections';
 export const ARKTS_COLLECTIONS_MODULE = '@arkts.collections';
 export const BIT_VECTOR = 'BitVector';
 export const COLLECTIONS_MODULES = ['@arkts.collections', '@kit.ArkTS'];
+
+export type BitVectorUsage = undefined | { ns: string; used: boolean };
diff --git a/ets2panda/linter/test/main/collections_module.ets.arkts2.json b/ets2panda/linter/test/main/collections_module.ets.arkts2.json
index 1bba4e4725cf6a81e3a62a9e4e5816374c46b46c..907c68b5d5f2b86b1b634f52e1084d9d3a9f6068 100644
--- a/ets2panda/linter/test/main/collections_module.ets.arkts2.json
+++ b/ets2panda/linter/test/main/collections_module.ets.arkts2.json
@@ -14,16 +14,6 @@
         "limitations under the License."
     ],
     "result": [
-        {
-            "line": 16,
-            "column": 10,
-            "endLine": 16,
-            "endColumn": 21,
-            "problem": "NoNeedStdLibSendableContainer",
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 18,
             "column": 25,
@@ -174,16 +164,6 @@
             "rule": "Classes cannot be used as objects (arkts-no-classes-as-obj)",
             "severity": "ERROR"
         },
-        {
-            "line": 44,
-            "column": 28,
-            "endLine": 44,
-            "endColumn": 49,
-            "problem": "NoNeedStdLibSendableContainer",
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 45,
             "column": 11,
@@ -203,16 +183,6 @@
             "suggest": "",
             "rule": "\"new\" expression with dynamic constructor type is not supported (arkts-no-dynamic-ctor-call)",
             "severity": "ERROR"
-        },
-        {
-            "line": 45,
-            "column": 27,
-            "endLine": 45,
-            "endColumn": 48,
-            "problem": "NoNeedStdLibSendableContainer",
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/collections_module.ets.autofix.json b/ets2panda/linter/test/main/collections_module.ets.autofix.json
index b09314b3c667efad6a5f3eeec7843e6b7839e5be..f16eb0e4d1b621806a36343563f2e7031dfe7185 100644
--- a/ets2panda/linter/test/main/collections_module.ets.autofix.json
+++ b/ets2panda/linter/test/main/collections_module.ets.autofix.json
@@ -14,27 +14,6 @@
         "limitations under the License."
     ],
     "result": [
-        {
-            "line": 16,
-            "column": 10,
-            "endLine": 16,
-            "endColumn": 21,
-            "problem": "NoNeedStdLibSendableContainer",
-            "autofix": [
-                {
-                    "start": 605,
-                    "end": 667,
-                    "replacementText": "",
-                    "line": 16,
-                    "column": 10,
-                    "endLine": 16,
-                    "endColumn": 21
-                }
-            ],
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 18,
             "column": 25,
@@ -306,36 +285,6 @@
             "rule": "Classes cannot be used as objects (arkts-no-classes-as-obj)",
             "severity": "ERROR"
         },
-        {
-            "line": 44,
-            "column": 28,
-            "endLine": 44,
-            "endColumn": 49,
-            "problem": "NoNeedStdLibSendableContainer",
-            "autofix": [
-                {
-                    "start": 1514,
-                    "end": 1535,
-                    "replacementText": "BitVector",
-                    "line": 44,
-                    "column": 28,
-                    "endLine": 44,
-                    "endColumn": 49
-                },
-                {
-                    "start": 919,
-                    "end": 919,
-                    "replacementText": "\nimport { BitVector } from \"@arkts.collections\";\n",
-                    "line": 44,
-                    "column": 28,
-                    "endLine": 44,
-                    "endColumn": 49
-                }
-            ],
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 45,
             "column": 11,
@@ -355,36 +304,6 @@
             "suggest": "",
             "rule": "\"new\" expression with dynamic constructor type is not supported (arkts-no-dynamic-ctor-call)",
             "severity": "ERROR"
-        },
-        {
-            "line": 45,
-            "column": 27,
-            "endLine": 45,
-            "endColumn": 48,
-            "problem": "NoNeedStdLibSendableContainer",
-            "autofix": [
-                {
-                    "start": 1573,
-                    "end": 1594,
-                    "replacementText": "BitVector",
-                    "line": 45,
-                    "column": 27,
-                    "endLine": 45,
-                    "endColumn": 48
-                },
-                {
-                    "start": 919,
-                    "end": 919,
-                    "replacementText": "\nimport { BitVector } from \"@arkts.collections\";\n",
-                    "line": 45,
-                    "column": 27,
-                    "endLine": 45,
-                    "endColumn": 48
-                }
-            ],
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/collections_module.ets.migrate.ets b/ets2panda/linter/test/main/collections_module.ets.migrate.ets
index 9915905ea53f6be768dfe0ad9871dd9059a031a9..9177530483c23fa21bc07a3f0c7955cb9348ce99 100644
--- a/ets2panda/linter/test/main/collections_module.ets.migrate.ets
+++ b/ets2panda/linter/test/main/collections_module.ets.migrate.ets
@@ -13,15 +13,13 @@
  * limitations under the License.
  */
 
+import { collections } from './oh_modules/@arkts.collections';
 
 
 
 
 
-
-import { collections as definedCollections } from './ignore_files/user_defined_collections';
-import { BitVector } from "@arkts.collections";
- //legal
+import { collections as definedCollections } from './ignore_files/user_defined_collections'; //legal
 
 function tesCollectionsUsage() {
 
@@ -43,6 +41,6 @@ function test(array: Array<string>) {
     const map = Map<string, string>();
 }
 
-function testBitVector(bv: BitVector<string>) {
-    const bitVector = new BitVector<string>();
+function testBitVector(bv: collections.BitVector<string>) {
+    const bitVector = new collections.BitVector<string>();
 }
diff --git a/ets2panda/linter/test/main/collections_module.ets.migrate.json b/ets2panda/linter/test/main/collections_module.ets.migrate.json
index ad165a2fcbcd0041abbb65ea2032362ac99a168c..5a14ab57e1f22b27528a2071c35d9a880e9a13c7 100644
--- a/ets2panda/linter/test/main/collections_module.ets.migrate.json
+++ b/ets2panda/linter/test/main/collections_module.ets.migrate.json
@@ -13,56 +13,56 @@
         "See the License for the specific language governing permissions and",
         "limitations under the License."
     ],
-  "result": [
-    {
-      "line": 34,
-      "column": 7,
-      "endLine": 34,
-      "endColumn": 19,
-      "problem": "VariableMissingInitializer",
-      "suggest": "",
-      "rule": "After a variable is declared, a value must be assigned before using it (arkts-var-assignment-before-use)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 38,
-      "column": 7,
-      "endLine": 38,
-      "endColumn": 19,
-      "problem": "VariableMissingInitializer",
-      "suggest": "",
-      "rule": "After a variable is declared, a value must be assigned before using it (arkts-var-assignment-before-use)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 43,
-      "column": 11,
-      "endLine": 43,
-      "endColumn": 38,
-      "problem": "AnyType",
-      "suggest": "",
-      "rule": "Use explicit types instead of \"any\", \"unknown\" (arkts-no-any-unknown)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 47,
-      "column": 11,
-      "endLine": 47,
-      "endColumn": 46,
-      "problem": "AnyType",
-      "suggest": "",
-      "rule": "Use explicit types instead of \"any\", \"unknown\" (arkts-no-any-unknown)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 47,
-      "column": 27,
-      "endLine": 47,
-      "endColumn": 36,
-      "problem": "DynamicCtorCall",
-      "suggest": "",
-      "rule": "\"new\" expression with dynamic constructor type is not supported (arkts-no-dynamic-ctor-call)",
-      "severity": "ERROR"
-    }
-  ]
-}
+    "result": [
+        {
+            "line": 32,
+            "column": 7,
+            "endLine": 32,
+            "endColumn": 19,
+            "problem": "VariableMissingInitializer",
+            "suggest": "",
+            "rule": "After a variable is declared, a value must be assigned before using it (arkts-var-assignment-before-use)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 36,
+            "column": 7,
+            "endLine": 36,
+            "endColumn": 19,
+            "problem": "VariableMissingInitializer",
+            "suggest": "",
+            "rule": "After a variable is declared, a value must be assigned before using it (arkts-var-assignment-before-use)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 41,
+            "column": 11,
+            "endLine": 41,
+            "endColumn": 38,
+            "problem": "AnyType",
+            "suggest": "",
+            "rule": "Use explicit types instead of \"any\", \"unknown\" (arkts-no-any-unknown)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 45,
+            "column": 11,
+            "endLine": 45,
+            "endColumn": 58,
+            "problem": "AnyType",
+            "suggest": "",
+            "rule": "Use explicit types instead of \"any\", \"unknown\" (arkts-no-any-unknown)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 45,
+            "column": 27,
+            "endLine": 45,
+            "endColumn": 48,
+            "problem": "DynamicCtorCall",
+            "suggest": "",
+            "rule": "\"new\" expression with dynamic constructor type is not supported (arkts-no-dynamic-ctor-call)",
+            "severity": "ERROR"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/no_import_concurrency.ets.arkts2.json b/ets2panda/linter/test/main/no_import_concurrency.ets.arkts2.json
index f23fdd92f6b74c9170ea2a05d90a0ac754077976..d42284c09339a4b72174dd15e3b345ddd67a1be4 100644
--- a/ets2panda/linter/test/main/no_import_concurrency.ets.arkts2.json
+++ b/ets2panda/linter/test/main/no_import_concurrency.ets.arkts2.json
@@ -1,168 +1,168 @@
 {
-  "copyright": [
-    "Copyright (c) 2025 Huawei Device Co., Ltd.",
-    "Licensed under the Apache License, Version 2.0 (the 'License');",
-    "you may not use this file except in compliance with the License.",
-    "You may obtain a copy of the License at",
-    "",
-    "http://www.apache.org/licenses/LICENSE-2.0",
-    "",
-    "Unless required by applicable law or agreed to in writing, software",
-    "distributed under the License is distributed on an 'AS IS' BASIS,",
-    "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
-    "See the License for the specific language governing permissions and",
-    "limitations under the License."
-  ],
-  "result": [
-    {
-      "line": 17,
-      "column": 21,
-      "endLine": 17,
-      "endColumn": 36,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 19,
-      "column": 8,
-      "endLine": 19,
-      "endColumn": 12,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 20,
-      "column": 25,
-      "endLine": 20,
-      "endColumn": 42,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 21,
-      "column": 15,
-      "endLine": 21,
-      "endColumn": 32,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 21,
-      "column": 34,
-      "endLine": 21,
-      "endColumn": 47,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 23,
-      "column": 16,
-      "endLine": 23,
-      "endColumn": 31,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 23,
-      "column": 33,
-      "endLine": 23,
-      "endColumn": 47,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 24,
-      "column": 8,
-      "endLine": 24,
-      "endColumn": 13,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 25,
-      "column": 10,
-      "endLine": 25,
-      "endColumn": 23,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 25,
-      "column": 25,
-      "endLine": 25,
-      "endColumn": 43,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 26,
-      "column": 8,
-      "endLine": 26,
-      "endColumn": 15,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 27,
-      "column": 8,
-      "endLine": 27,
-      "endColumn": 11,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 28,
-      "column": 8,
-      "endLine": 28,
-      "endColumn": 12,
-      "problem": "LimitedStdLibNoImportConcurrency",
-      "suggest": "",
-      "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 33,
-      "column": 11,
-      "endLine": 33,
-      "endColumn": 20,
-      "problem": "NumericSemantics",
-      "suggest": "",
-      "rule": "Numeric semantics is different for integer values (arkts-numeric-semantic)",
-      "severity": "ERROR"
-    },
-    {
-      "line": 33,
-      "column": 17,
-      "endLine": 33,
-      "endColumn": 20,
-      "problem": "NumericSemantics",
-      "suggest": "",
-      "rule": "Numeric semantics is different for integer values (arkts-numeric-semantic)",
-      "severity": "ERROR"
-    }
-  ]
-}
+    "copyright": [
+        "Copyright (c) 2025 Huawei Device Co., Ltd.",
+        "Licensed under the Apache License, Version 2.0 (the 'License');",
+        "you may not use this file except in compliance with the License.",
+        "You may obtain a copy of the License at",
+        "",
+        "http://www.apache.org/licenses/LICENSE-2.0",
+        "",
+        "Unless required by applicable law or agreed to in writing, software",
+        "distributed under the License is distributed on an 'AS IS' BASIS,",
+        "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
+        "See the License for the specific language governing permissions and",
+        "limitations under the License."
+    ],
+    "result": [
+        {
+            "line": 17,
+            "column": 21,
+            "endLine": 17,
+            "endColumn": 36,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 19,
+            "column": 8,
+            "endLine": 19,
+            "endColumn": 12,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 20,
+            "column": 25,
+            "endLine": 20,
+            "endColumn": 42,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 21,
+            "column": 15,
+            "endLine": 21,
+            "endColumn": 32,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 21,
+            "column": 34,
+            "endLine": 21,
+            "endColumn": 47,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 23,
+            "column": 16,
+            "endLine": 23,
+            "endColumn": 31,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 23,
+            "column": 33,
+            "endLine": 23,
+            "endColumn": 47,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 24,
+            "column": 8,
+            "endLine": 24,
+            "endColumn": 13,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 25,
+            "column": 10,
+            "endLine": 25,
+            "endColumn": 23,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 25,
+            "column": 25,
+            "endLine": 25,
+            "endColumn": 43,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 26,
+            "column": 8,
+            "endLine": 26,
+            "endColumn": 15,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 27,
+            "column": 8,
+            "endLine": 27,
+            "endColumn": 11,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 28,
+            "column": 8,
+            "endLine": 28,
+            "endColumn": 12,
+            "problem": "LimitedStdLibNoImportConcurrency",
+            "suggest": "",
+            "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 33,
+            "column": 11,
+            "endLine": 33,
+            "endColumn": 20,
+            "problem": "NumericSemantics",
+            "suggest": "",
+            "rule": "Numeric semantics is different for integer values (arkts-numeric-semantic)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 33,
+            "column": 17,
+            "endLine": 33,
+            "endColumn": 20,
+            "problem": "NumericSemantics",
+            "suggest": "",
+            "rule": "Numeric semantics is different for integer values (arkts-numeric-semantic)",
+            "severity": "ERROR"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/no_import_concurrency.ets.migrate.json b/ets2panda/linter/test/main/no_import_concurrency.ets.migrate.json
index 75faa009317be813e325733eb9cce302f88bbc8c..58b01f5a8aa1cfbc51947f0ce7fb35ad42c22595 100644
--- a/ets2panda/linter/test/main/no_import_concurrency.ets.migrate.json
+++ b/ets2panda/linter/test/main/no_import_concurrency.ets.migrate.json
@@ -35,4 +35,4 @@
             "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/property_access_by_index.ets.arkts2.json b/ets2panda/linter/test/main/property_access_by_index.ets.arkts2.json
index d53752ee4808099169beec98c3ba007c4bf70fef..19c4e034ab7547217ae87130d622bb6196124517 100644
--- a/ets2panda/linter/test/main/property_access_by_index.ets.arkts2.json
+++ b/ets2panda/linter/test/main/property_access_by_index.ets.arkts2.json
@@ -14,16 +14,6 @@
         "limitations under the License."
     ],
     "result": [
-        {
-            "line": 16,
-            "column": 10,
-            "endLine": 16,
-            "endColumn": 21,
-            "problem": "NoNeedStdLibSendableContainer",
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 22,
             "column": 3,
@@ -864,16 +854,6 @@
             "rule": "Usage of standard library is restricted(arkts-limited-stdlib-no-sendable-decorator)",
             "severity": "ERROR"
         },
-        {
-            "line": 177,
-            "column": 23,
-            "endLine": 177,
-            "endColumn": 44,
-            "problem": "NoNeedStdLibSendableContainer",
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 179,
             "column": 11,
@@ -995,4 +975,4 @@
             "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/property_access_by_index.ets.autofix.json b/ets2panda/linter/test/main/property_access_by_index.ets.autofix.json
index efd13151c42adb61ca4eccc3c89d3658bcbe0239..8a6496e8e74c00c6474656153e7eabbbfcaea5a0 100644
--- a/ets2panda/linter/test/main/property_access_by_index.ets.autofix.json
+++ b/ets2panda/linter/test/main/property_access_by_index.ets.autofix.json
@@ -14,27 +14,6 @@
         "limitations under the License."
     ],
     "result": [
-        {
-            "line": 16,
-            "column": 10,
-            "endLine": 16,
-            "endColumn": 21,
-            "problem": "NoNeedStdLibSendableContainer",
-            "autofix": [
-                {
-                    "start": 662,
-                    "end": 713,
-                    "replacementText": "",
-                    "line": 16,
-                    "column": 10,
-                    "endLine": 16,
-                    "endColumn": 21
-                }
-            ],
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 22,
             "column": 3,
@@ -1370,36 +1349,6 @@
             "rule": "Usage of standard library is restricted(arkts-limited-stdlib-no-sendable-decorator)",
             "severity": "ERROR"
         },
-        {
-            "line": 177,
-            "column": 23,
-            "endLine": 177,
-            "endColumn": 44,
-            "problem": "NoNeedStdLibSendableContainer",
-            "autofix": [
-                {
-                    "start": 3733,
-                    "end": 3754,
-                    "replacementText": "BitVector",
-                    "line": 177,
-                    "column": 23,
-                    "endLine": 177,
-                    "endColumn": 44
-                },
-                {
-                    "start": 713,
-                    "end": 713,
-                    "replacementText": "\nimport { BitVector } from \"@arkts.collections\";\n",
-                    "line": 177,
-                    "column": 23,
-                    "endLine": 177,
-                    "endColumn": 44
-                }
-            ],
-            "suggest": "",
-            "rule": "Sendable containers are not supported (arkts-no-need-stdlib-sendable-containers)",
-            "severity": "ERROR"
-        },
         {
             "line": 179,
             "column": 11,
@@ -1609,4 +1558,4 @@
             "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/ets2panda/linter/test/main/property_access_by_index.ets.migrate.ets b/ets2panda/linter/test/main/property_access_by_index.ets.migrate.ets
index 6a3cbe36afb397b39f328e127c7b0533ce69429e..2636387efc22a64927f70fd9046b92a07567aab1 100644
--- a/ets2panda/linter/test/main/property_access_by_index.ets.migrate.ets
+++ b/ets2panda/linter/test/main/property_access_by_index.ets.migrate.ets
@@ -13,9 +13,7 @@
  * limitations under the License.
  */
 import {OhosInterface} from './oh_modules/ohos_lib';
-import { BitVector } from "@arkts.collections";
-
-
+import { collections } from './@arkts.collections';
 // #14071
 class A {
   v: string = '';
@@ -176,11 +174,16 @@ mmap2['222'];
 mmap3["kkr"];
 
 
-class MyClass extends BitVector {
+
+
+
+
+@Sendable
+class MyClass extends collections.BitVector {
   constructor() {
     super(0.0);
     for (let i: number = 0.0; i < this.length; i++) {
-      this[i] = 1.0;
+      this[i as int] = 1.0;
     }
   }
 }
diff --git a/ets2panda/linter/test/main/property_access_by_index.ets.migrate.json b/ets2panda/linter/test/main/property_access_by_index.ets.migrate.json
index 12bd72ca456622b4c439c477985f0c361bcf2c04..ae9ec5691c7c3a7b2ce2a3ac23f57a07b4b38e08 100644
--- a/ets2panda/linter/test/main/property_access_by_index.ets.migrate.json
+++ b/ets2panda/linter/test/main/property_access_by_index.ets.migrate.json
@@ -15,9 +15,9 @@
     ],
     "result": [
         {
-            "line": 24,
+            "line": 22,
             "column": 3,
-            "endLine": 24,
+            "endLine": 22,
             "endColumn": 14,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -25,9 +25,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 27,
+            "line": 25,
             "column": 10,
-            "endLine": 27,
+            "endLine": 25,
             "endColumn": 21,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -35,9 +35,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 39,
+            "line": 37,
             "column": 1,
-            "endLine": 39,
+            "endLine": 37,
             "endColumn": 7,
             "problem": "RuntimeArrayCheck",
             "suggest": "",
@@ -45,9 +45,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 40,
+            "line": 38,
             "column": 1,
-            "endLine": 40,
+            "endLine": 38,
             "endColumn": 7,
             "problem": "RuntimeArrayCheck",
             "suggest": "",
@@ -55,9 +55,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 41,
+            "line": 39,
             "column": 1,
-            "endLine": 41,
+            "endLine": 39,
             "endColumn": 7,
             "problem": "RuntimeArrayCheck",
             "suggest": "",
@@ -65,9 +65,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 48,
+            "line": 46,
             "column": 3,
-            "endLine": 48,
+            "endLine": 46,
             "endColumn": 9,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -75,9 +75,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 52,
+            "line": 50,
             "column": 3,
-            "endLine": 52,
+            "endLine": 50,
             "endColumn": 9,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -85,9 +85,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 59,
+            "line": 57,
             "column": 5,
-            "endLine": 59,
+            "endLine": 57,
             "endColumn": 29,
             "problem": "AnyType",
             "suggest": "",
@@ -95,15 +95,35 @@
             "severity": "ERROR"
         },
         {
-            "line": 59,
+            "line": 57,
             "column": 14,
-            "endLine": 59,
+            "endLine": 57,
             "endColumn": 29,
             "problem": "GenericCallNoTypeArgs",
             "suggest": "",
             "rule": "Type inference in case of generic function calls is limited (arkts-no-inferred-generic-params)",
             "severity": "ERROR"
         },
+        {
+            "line": 70,
+            "column": 1,
+            "endLine": 70,
+            "endColumn": 10,
+            "problem": "RuntimeArrayCheck",
+            "suggest": "",
+            "rule": "Array bound not checked. (arkts-runtime-array-check)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 71,
+            "column": 1,
+            "endLine": 71,
+            "endColumn": 10,
+            "problem": "RuntimeArrayCheck",
+            "suggest": "",
+            "rule": "Array bound not checked. (arkts-runtime-array-check)",
+            "severity": "ERROR"
+        },
         {
             "line": 72,
             "column": 1,
@@ -178,7 +198,7 @@
             "line": 79,
             "column": 1,
             "endLine": 79,
-            "endColumn": 10,
+            "endColumn": 11,
             "problem": "RuntimeArrayCheck",
             "suggest": "",
             "rule": "Array bound not checked. (arkts-runtime-array-check)",
@@ -188,7 +208,7 @@
             "line": 80,
             "column": 1,
             "endLine": 80,
-            "endColumn": 10,
+            "endColumn": 11,
             "problem": "RuntimeArrayCheck",
             "suggest": "",
             "rule": "Array bound not checked. (arkts-runtime-array-check)",
@@ -245,29 +265,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 86,
+            "line": 97,
             "column": 1,
-            "endLine": 86,
-            "endColumn": 11,
-            "problem": "RuntimeArrayCheck",
-            "suggest": "",
-            "rule": "Array bound not checked. (arkts-runtime-array-check)",
-            "severity": "ERROR"
-        },
-        {
-            "line": 87,
-            "column": 1,
-            "endLine": 87,
-            "endColumn": 11,
-            "problem": "RuntimeArrayCheck",
-            "suggest": "",
-            "rule": "Array bound not checked. (arkts-runtime-array-check)",
-            "severity": "ERROR"
-        },
-        {
-            "line": 99,
-            "column": 1,
-            "endLine": 99,
+            "endLine": 97,
             "endColumn": 18,
             "problem": "UnsupportPropNameFromValue",
             "suggest": "",
@@ -275,9 +275,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 100,
+            "line": 98,
             "column": 1,
-            "endLine": 100,
+            "endLine": 98,
             "endColumn": 17,
             "problem": "UnsupportPropNameFromValue",
             "suggest": "",
@@ -285,9 +285,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 101,
+            "line": 99,
             "column": 1,
-            "endLine": 101,
+            "endLine": 99,
             "endColumn": 17,
             "problem": "UnsupportPropNameFromValue",
             "suggest": "",
@@ -295,9 +295,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 109,
+            "line": 107,
             "column": 24,
-            "endLine": 109,
+            "endLine": 107,
             "endColumn": 39,
             "problem": "ArrayIndexExprType",
             "suggest": "",
@@ -305,9 +305,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 109,
+            "line": 107,
             "column": 24,
-            "endLine": 109,
+            "endLine": 107,
             "endColumn": 39,
             "problem": "BuiltinSymbolIterator",
             "suggest": "",
@@ -315,9 +315,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 110,
+            "line": 108,
             "column": 5,
-            "endLine": 110,
+            "endLine": 108,
             "endColumn": 40,
             "problem": "AnyType",
             "suggest": "",
@@ -325,9 +325,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 119,
+            "line": 117,
             "column": 20,
-            "endLine": 119,
+            "endLine": 117,
             "endColumn": 35,
             "problem": "ArrayIndexExprType",
             "suggest": "",
@@ -335,9 +335,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 119,
+            "line": 117,
             "column": 20,
-            "endLine": 119,
+            "endLine": 117,
             "endColumn": 35,
             "problem": "BuiltinSymbolIterator",
             "suggest": "",
@@ -345,9 +345,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 120,
+            "line": 118,
             "column": 5,
-            "endLine": 120,
+            "endLine": 118,
             "endColumn": 36,
             "problem": "AnyType",
             "suggest": "",
@@ -355,9 +355,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 141,
+            "line": 139,
             "column": 12,
-            "endLine": 141,
+            "endLine": 139,
             "endColumn": 31,
             "problem": "CreatingPrimitiveTypes",
             "suggest": "",
@@ -365,9 +365,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 161,
+            "line": 159,
             "column": 3,
-            "endLine": 161,
+            "endLine": 159,
             "endColumn": 9,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -375,9 +375,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 174,
+            "line": 172,
             "column": 1,
-            "endLine": 174,
+            "endLine": 172,
             "endColumn": 9,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -385,9 +385,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 175,
+            "line": 173,
             "column": 1,
-            "endLine": 175,
+            "endLine": 173,
             "endColumn": 13,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -395,9 +395,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 176,
+            "line": 174,
             "column": 1,
-            "endLine": 176,
+            "endLine": 174,
             "endColumn": 13,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -405,19 +405,19 @@
             "severity": "ERROR"
         },
         {
-            "line": 183,
-            "column": 7,
-            "endLine": 183,
-            "endColumn": 14,
-            "problem": "PropertyAccessByIndex",
+            "line": 181,
+            "column": 1,
+            "endLine": 181,
+            "endColumn": 10,
+            "problem": "LimitedStdLibNoSendableDecorator",
             "suggest": "",
-            "rule": "Indexed access is not supported for fields (arkts-no-props-by-index)",
+            "rule": "Usage of standard library is restricted(arkts-limited-stdlib-no-sendable-decorator)",
             "severity": "ERROR"
         },
         {
-            "line": 194,
+            "line": 197,
             "column": 1,
-            "endLine": 194,
+            "endLine": 197,
             "endColumn": 5,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -425,9 +425,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 195,
+            "line": 198,
             "column": 1,
-            "endLine": 195,
+            "endLine": 198,
             "endColumn": 7,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -435,9 +435,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 198,
+            "line": 201,
             "column": 1,
-            "endLine": 198,
+            "endLine": 201,
             "endColumn": 23,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -445,9 +445,9 @@
             "severity": "ERROR"
         },
         {
-            "line": 210,
+            "line": 213,
             "column": 1,
-            "endLine": 210,
+            "endLine": 213,
             "endColumn": 20,
             "problem": "PropertyAccessByIndex",
             "suggest": "",
@@ -455,4 +455,4 @@
             "severity": "ERROR"
         }
     ]
-}
+}
\ No newline at end of file