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kotlinlang

Fixed it and now I get
```
"IOException: Failed to create an input stream for geofile_full.json: TypeError: JsFileSystem$Companion_getInstance(...).fs_8be2vx$.openSync is not a function
    at IOException_init (webpack-internal:///./kotlinx-io.js:4755:17)
    at JsFileSystem.openInput_pizevn$ (webpack-internal:///./kotlinx-files.js:740:13)
    at jsRoot_0 (webpack-internal:///./dataforge-vis-spatial-js.js:321:43)
    at JSRootDemoApp$start$lambda (webpack-internal:///./dataforge-vis-spatial-js.js:166:5)
    at render (webpack-internal:///./dataforge-vis-spatial.js:133:5)
    at JSRootDemoApp.start_x7u0o8$ (webpack-internal:///./dataforge-vis-spatial-js.js:175:5)
    at start (webpack-internal:///./dataforge-vis-spatial-js.js:150:19)
    at HTMLDocument.eval (webpack-internal:///./dataforge-vis-spatial-js.js:122:31)"
```
Maybe I need to use different file name...