The usage problem of "obsidian-typings"

According to the readme of “obsidian-typings“, I have set my tsconfig.json as follows:

{
  "compilerOptions": {
    "lib": ["DOM", "ES2021"],
    "jsx": "preserve",
    "target": "ES2021",
    "noEmit": true,
    "skipLibCheck": true,
    "jsxImportSource": "vue",
    "useDefineForClassFields": true,

    /* modules */
    "module": "ESNext",
    "moduleDetection": "force",
    "moduleResolution": "node",
    "verbatimModuleSyntax": true,
    "resolveJsonModule": true,
    "allowImportingTsExtensions": true,
    "noUncheckedSideEffectImports": true,

    /* type checking */
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "baseUrl": ".",
    "paths": {
      "@*": ["src/*"]
    },
    "typeRoots": ["./node_modules/@types", "./node_modules"],
    "types": ["obsidian-typings"]
  },
  "include": ["src"]
}

but for the code app.workspace.getActiveFileView(), vscode still warns me that Property ‘getActiveFileView’ does not exist on type ‘Workspace’. How should I do to use the obsidian-typings?

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