diff --git a/package.json b/package.json
index ea5bad3..6b98877 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@gitzone/tsrun": "^1.2.35",
     "@gitzone/tstest": "^1.0.73",
     "@pushrocks/tapbundle": "^5.0.4",
-    "@types/node": "^18.7.18"
+    "@types/node": "^18.11.9"
   },
   "dependencies": {
     "@pushrocks/smartdelay": "^2.0.13",
@@ -29,7 +29,7 @@
     "@pushrocks/smartpromise": "^3.1.7",
     "@pushrocks/smartpuppeteer": "^2.0.2",
     "@pushrocks/smartunique": "^3.0.3",
-    "@tsclass/tsclass": "^4.0.21",
+    "@tsclass/tsclass": "^4.0.27",
     "@types/express": "^4.17.14",
     "express": "^4.18.1",
     "pdf-merger-js": "^3.4.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 524180a..383c410 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -13,9 +13,9 @@ specifiers:
   '@pushrocks/smartpuppeteer': ^2.0.2
   '@pushrocks/smartunique': ^3.0.3
   '@pushrocks/tapbundle': ^5.0.4
-  '@tsclass/tsclass': ^4.0.21
+  '@tsclass/tsclass': ^4.0.27
   '@types/express': ^4.17.14
-  '@types/node': ^18.7.18
+  '@types/node': ^18.11.9
   express: ^4.18.1
   pdf-merger-js: ^3.4.0
   pdf2json: ^2.0.0
@@ -28,7 +28,7 @@ dependencies:
   '@pushrocks/smartpromise': 3.1.7
   '@pushrocks/smartpuppeteer': 2.0.2
   '@pushrocks/smartunique': 3.0.3
-  '@tsclass/tsclass': 4.0.26
+  '@tsclass/tsclass': 4.0.27
   '@types/express': 4.17.14
   express: 4.18.2
   pdf-merger-js: 3.4.0
@@ -37,10 +37,10 @@ dependencies:
 devDependencies:
   '@gitzone/tsbuild': 2.1.65
   '@gitzone/tsdoc': 1.1.12
-  '@gitzone/tsrun': 1.2.39_@types+node@18.11.7
-  '@gitzone/tstest': 1.0.73_@types+node@18.11.7
+  '@gitzone/tsrun': 1.2.39_@types+node@18.11.9
+  '@gitzone/tstest': 1.0.73_@types+node@18.11.9
   '@pushrocks/tapbundle': 5.0.4
-  '@types/node': 18.11.7
+  '@types/node': 18.11.9
 
 packages:
 
@@ -163,7 +163,7 @@ packages:
       '@pushrocks/smartpromise': 3.1.7
       '@pushrocks/smartspawn': 3.0.2
       '@types/html-minifier': 4.0.2
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       esbuild: 0.14.54
       html-minifier: 4.0.0
       typescript: 4.8.4
@@ -188,13 +188,13 @@ packages:
       - supports-color
     dev: true
 
-  /@gitzone/tsrun/1.2.39_@types+node@18.11.7:
+  /@gitzone/tsrun/1.2.39_@types+node@18.11.9:
     resolution: {integrity: sha512-gLqKOic3T1GIdqsp+T5g1OewfboMJKKMr7/SJgBuMx4BUEBfW7TYhqk6psgfewhHs/zKII5rWbbPauykkKlYIg==}
     hasBin: true
     dependencies:
       '@pushrocks/smartfile': 10.0.5
       '@pushrocks/smartshell': 2.0.30
-      ts-node: 10.9.1_evej5wzm4hojmu6uzxwpspdmsu
+      ts-node: 10.9.1_cbe7ovvae6zqfnmtgctpgpys54
       typescript: 4.8.4
     transitivePeerDependencies:
       - '@swc/core'
@@ -203,12 +203,12 @@ packages:
       - supports-color
     dev: true
 
-  /@gitzone/tstest/1.0.73_@types+node@18.11.7:
+  /@gitzone/tstest/1.0.73_@types+node@18.11.9:
     resolution: {integrity: sha512-IaarQBH6vTivIvVpdvwfiABLHf6bkGQlYLcDHymTllMMYrPKRFnpkW+hHJ8KlV0Q8eX/Uyar1PtnSxKEtO3/Fw==}
     hasBin: true
     dependencies:
       '@gitzone/tsbundle': 2.0.7
-      '@gitzone/tsrun': 1.2.39_@types+node@18.11.7
+      '@gitzone/tsrun': 1.2.39_@types+node@18.11.9
       '@pushrocks/consolecolor': 2.0.1
       '@pushrocks/smartbrowser': 2.0.2
       '@pushrocks/smartdelay': 2.0.13
@@ -472,7 +472,7 @@ packages:
       '@pushrocks/smartrequest': 2.0.11
       '@pushrocks/smartsitemap': 2.0.1
       '@pushrocks/smarttime': 3.0.45
-      '@tsclass/tsclass': 4.0.26
+      '@tsclass/tsclass': 4.0.27
       '@types/compression': 1.7.2
       '@types/cors': 2.8.12
       '@types/express': 4.17.14
@@ -634,7 +634,7 @@ packages:
       '@pushrocks/smartpromise': 3.1.7
       '@pushrocks/smartpuppeteer': 2.0.2
       '@pushrocks/smartunique': 3.0.3
-      '@tsclass/tsclass': 4.0.26
+      '@tsclass/tsclass': 4.0.27
       '@types/express': 4.17.14
       express: 4.18.2
       pdf-merger-js: 3.4.0
@@ -876,10 +876,10 @@ packages:
       type-fest: 2.19.0
     dev: true
 
-  /@tsclass/tsclass/4.0.26:
-    resolution: {integrity: sha512-wHL7ryA4RJI+lnq19VTz66asN2lTyDHTawxQX4n/SyuXs0XbfSXWBbq7MfgYgLRA9wuuE+gapzRsyIPY/CZsBA==}
+  /@tsclass/tsclass/4.0.27:
+    resolution: {integrity: sha512-bljXAsgl1dHha2O9jSd1q8nCkYTswXdTUFqqcIKu25QsWb9g7uJyOXCG5YH9i82BhHRJurDaMfXPz/fXCktKMw==}
     dependencies:
-      type-fest: 3.1.0
+      type-fest: 3.2.0
 
   /@tsconfig/node10/1.0.9:
     resolution: {integrity: sha512-jNsYVVxU8v5g43Erja32laIDHXeoNvFEpX33OK4d6hljo3jDhCBDhx5dhCCTMWUojscpAagGiRkBKxpdl9fxqA==}
@@ -900,7 +900,7 @@ packages:
   /@types/accepts/1.3.5:
     resolution: {integrity: sha512-jOdnI/3qTpHABjM5cx1Hc0sKsPoYCp+DP/GJRGtDlPd7fiV9oXGGIcjW/ZOxLIvjGz8MA+uMZI9metHlgqbgwQ==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     dev: true
 
   /@types/babel__code-frame/7.0.3:
@@ -911,7 +911,7 @@ packages:
     resolution: {integrity: sha512-ALYone6pm6QmwZoAgeyNksccT9Q4AWZQ6PvfwR37GT6r6FWUPguq6sUmNGSMV2Wr761oQoBxwGGa6DR5o1DC9g==}
     dependencies:
       '@types/connect': 3.4.35
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/buffer-json/2.0.1:
     resolution: {integrity: sha512-y2q2QGDqpS8NBtgKg8si+vKfanyd8smKzTglDCm7dXrco1VclSR8G1/uezK+sWbEUxsVPTomv5RxsTl3JAzxLA==}
@@ -929,14 +929,14 @@ packages:
   /@types/clean-css/4.2.6:
     resolution: {integrity: sha512-Ze1tf+LnGPmG6hBFMi0B4TEB0mhF7EiMM5oyjLDNPE9hxrPU0W+5+bHvO+eFPA+bt0iC1zkQMoU/iGdRVjcRbw==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       source-map: 0.6.1
     dev: true
 
   /@types/co-body/6.1.0:
     resolution: {integrity: sha512-3e0q2jyDAnx/DSZi0z2H0yoZ2wt5yRDZ+P7ymcMObvq0ufWRT4tsajyO+Q1VwVWiv9PRR4W3YEjEzBjeZlhF+w==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       '@types/qs': 6.9.7
     dev: true
 
@@ -949,7 +949,7 @@ packages:
   /@types/connect/3.4.35:
     resolution: {integrity: sha512-cdeYyv4KWoEgpBISTxWvqYsVy444DOqehiF3fM3ne10AmJ62RSyNkUnxMJXHQWRQQX2eR94m5y1IZyDwBjV9FQ==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/content-disposition/0.5.5:
     resolution: {integrity: sha512-v6LCdKfK6BwcqMo+wYW05rLS12S0ZO0Fl4w1h4aaZMD7bqT3gVUns6FvLJKGZHQmYn3SX55JWGpziwJRwVgutA==}
@@ -969,7 +969,7 @@ packages:
       '@types/connect': 3.4.35
       '@types/express': 4.17.14
       '@types/keygrip': 1.0.2
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     dev: true
 
   /@types/cors/2.8.12:
@@ -986,7 +986,7 @@ packages:
   /@types/express-serve-static-core/4.17.31:
     resolution: {integrity: sha512-DxMhY+NAsTwMMFHBTtJFNp5qiHKJ7TeqOo23zVEM9alT1Ml27Q3xcTH0xwxn7Q0BbMcVEJOs/7aQtUWupUQN3Q==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       '@types/qs': 6.9.7
       '@types/range-parser': 1.2.4
 
@@ -1014,24 +1014,24 @@ packages:
   /@types/finalhandler/1.2.0:
     resolution: {integrity: sha512-NgEZKOhxUSXkwNnWNaMXZaopQ5aFGPAYiEpEWIkQ6Dzc4iS0M1oQsvWne2t+ex9QZUAdTz/ZT4tOXJhWtP6mCw==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     dev: true
 
   /@types/from2/2.3.1:
     resolution: {integrity: sha512-l7kKtohAc5h0CKh6vFMv5WcWvQx40KE6dQneUg22i8c1mwxhVPbN781bYts/mYXxSBrQMhNxkhwg18QY0MfeOg==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/fs-extra/9.0.13:
     resolution: {integrity: sha512-nEnwB++1u5lVDM2UI4c1+5R+FYaKfaAzS4OococimjVm3nQw3TuzH5UNsocrcTBbhnerblyHj4A49qXbIiZdpA==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/glob/8.0.0:
     resolution: {integrity: sha512-l6NQsDDyQUVeoTynNpC9uRvCUint/gSUXQA2euwmTuWGvPY5LSDUu6tkCtJB2SvGQlJQzLaKqcGZP4//7EDveA==}
     dependencies:
       '@types/minimatch': 5.1.2
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/html-minifier/4.0.2:
     resolution: {integrity: sha512-4IkmkXJP/25R2fZsCHDX2abztXuQRzUAZq39PfCMz2loLFj8vS9y7aF6vDl58koXSTpsF+eL4Lc5Y4Aww/GCTQ==}
@@ -1095,7 +1095,7 @@ packages:
       '@types/http-errors': 1.8.2
       '@types/keygrip': 1.0.2
       '@types/koa-compose': 3.2.5
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     dev: true
 
   /@types/lodash.clonedeep/4.5.7:
@@ -1118,8 +1118,8 @@ packages:
   /@types/minimatch/5.1.2:
     resolution: {integrity: sha512-K0VQKziLUWkVKiRVrx4a40iPaxTUefQmjtkQofBkYRcoaaL/8rhwDWww9qWbrgicNOgnpIsMxyNIUM4+n6dUIA==}
 
-  /@types/node/18.11.7:
-    resolution: {integrity: sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==}
+  /@types/node/18.11.9:
+    resolution: {integrity: sha512-CRpX21/kGdzjOpFsZSkcrXMGIBWMGNIHXXBVFSH+ggkftxg+XYP20TESbh+zFvFj3EQOl5byk0HTRn1IL6hbqg==}
 
   /@types/parse5/6.0.3:
     resolution: {integrity: sha512-SuT16Q1K51EAVPz1K29DJ/sXjhSQ0zjvsypYJ6tlwVsRV9jwW5Adq2ch8Dq8kDBCkYnELS7N7VNCSB5nC56t/g==}
@@ -1145,7 +1145,7 @@ packages:
     resolution: {integrity: sha512-z5xyF6uh8CbjAu9760KDKsH2FcDxZ2tFCsA4HIMWE6IkiYMXfVoa+4f9KX+FN0ZLsaMw1WNG2ETLA6N+/YA+cg==}
     dependencies:
       '@types/mime': 3.0.1
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/shortid/0.0.29:
     resolution: {integrity: sha1-gJPuBBam4r8qpjOBCRFLP7/6Dps=}
@@ -1173,7 +1173,7 @@ packages:
   /@types/through2/2.0.36:
     resolution: {integrity: sha512-vuifQksQHJXhV9McpVsXKuhnf3lsoX70PnhcqIAbs9dqLH2NgrGz0DzZPDY3+Yh6eaRqcE1gnCQ6QhBn1/PT5A==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
 
   /@types/trusted-types/2.0.2:
     resolution: {integrity: sha512-F5DIZ36YVLE+PN+Zwws4kJogq47hNgX3Nx6WyDJ3kcplxyke3XIzB8uK5n/Lpm1HBsbGzd6nmGehL8cPekP+Tg==}
@@ -1194,14 +1194,14 @@ packages:
   /@types/ws/7.4.7:
     resolution: {integrity: sha512-JQbbmxZTZehdc2iszGKs5oC3NFnjeay7mtAWrdt7qNtAVK0g19muApzAy4bm9byz79xa2ZnO/BOBC2R8RC5Lww==}
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     dev: true
 
   /@types/yauzl/2.10.0:
     resolution: {integrity: sha512-Cn6WYCm0tXv8p6k+A8PvbDG763EDpBoTzHdA+Q/MF6H3sapGjCm9NzoaJncJS9tUKSuCoDs9XHxYYsQDgxR6kw==}
     requiresBuild: true
     dependencies:
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
     optional: true
 
   /@web/browser-logs/0.2.5:
@@ -1295,6 +1295,10 @@ packages:
       - utf-8-validate
     dev: true
 
+  /@xmldom/xmldom/0.8.6:
+    resolution: {integrity: sha512-uRjjusqpoqfmRkTaNuLJ2VohVr67Q5YwDATW3VU7PfzTj6IRaihGrYI7zckGZjxQPBIp63nfvJbM+Yu5ICh0Bg==}
+    engines: {node: '>=10.0.0'}
+
   /accepts/1.3.8:
     resolution: {integrity: sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==}
     engines: {node: '>= 0.6'}
@@ -1889,7 +1893,7 @@ packages:
     dependencies:
       '@types/cookie': 0.4.1
       '@types/cors': 2.8.12
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       accepts: 1.3.8
       base64id: 2.0.0
       cookie: 0.4.2
@@ -3276,6 +3280,8 @@ packages:
     resolution: {integrity: sha512-mXF9AIgnvq1DP/ZM2R28tAfxP2wKZHYa2DjV0R1KCwcqSzm5Iqh1XQq9rdfAt6dp2DuPP0VHZIaCALc2v1cL5A==}
     engines: {node: '>=14.18.0', npm: '>=6.14.15'}
     hasBin: true
+    dependencies:
+      '@xmldom/xmldom': 0.8.6
     bundledDependencies:
       - '@xmldom/xmldom'
 
@@ -3841,7 +3847,7 @@ packages:
     resolution: {integrity: sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==}
     hasBin: true
 
-  /ts-node/10.9.1_evej5wzm4hojmu6uzxwpspdmsu:
+  /ts-node/10.9.1_cbe7ovvae6zqfnmtgctpgpys54:
     resolution: {integrity: sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==}
     hasBin: true
     peerDependencies:
@@ -3860,7 +3866,7 @@ packages:
       '@tsconfig/node12': 1.0.11
       '@tsconfig/node14': 1.0.3
       '@tsconfig/node16': 1.0.3
-      '@types/node': 18.11.7
+      '@types/node': 18.11.9
       acorn: 8.8.1
       acorn-walk: 8.2.0
       arg: 4.1.3
@@ -3894,8 +3900,8 @@ packages:
     engines: {node: '>=12.20'}
     dev: true
 
-  /type-fest/3.1.0:
-    resolution: {integrity: sha512-StmrZmK3eD9mDF9Vt7UhqthrDSk66O9iYl5t5a0TSoVkHjl0XZx/xuc/BRz4urAXXGHOY5OLsE0RdJFIApSFmw==}
+  /type-fest/3.2.0:
+    resolution: {integrity: sha512-Il3wdLRzWvbAEtocgxGQA9YOoRVeVUGOMBtel5LdEpNeEAol6GJTLw8GbX6Z8EIMfvfhoOXs2bwOijtAZdK5og==}
     engines: {node: '>=14.16'}
 
   /type-is/1.6.18:
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index bf2c4d1..e2fcf39 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@pushrocks/smartpdf',
-  version: '3.0.14',
+  version: '3.0.15',
   description: 'create pdfs on the fly'
 }
diff --git a/ts/index.ts b/ts/index.ts
index 4a634c7..07f785d 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -7,3 +7,11 @@ declare global {
 
 // normal
 export * from './smartpdf.classes.smartpdf.js';
+
+// additional types
+import type * as tsclassTypes from '@tsclass/tsclass';
+type IPdf = tsclassTypes.business.IPdf;
+
+export type {
+  IPdf
+}
\ No newline at end of file