there’s something that needs to be implemented at the company
Looking at the MS-OFFCRYPTO document, I’m trying to encrypt the file .xlsx with TypeScript.

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I did ECMA-376 Document Encryption in the document, and it says x06DataSpaces… What’s the role of this structure?

** I referred to officrypto-tool and xlsx-populate, but I couldn’t find anything related to _DataSpaces in both modules.

I read this article very hard, but I didn’t understand it perfectly because I was not good at English.

Define storage-stream relationships and manage the organization of encrypted data within a composite file structure, which allows you to specify data transformations, such as encryption.

I thought it was the role of justice (*.d.ts) in that phrase