Parsing and transpiling huge data modes takes a significant amount of time and blocks the node event loop.
This PR tries to improve this.

Some charts are below. It has ~300 model files with ~400 members each.

Before:

After: Non-blocking sequential processing using 1 thread

After: Non-blocking parallel processing using N threads (default to the number of CPU's minus one, in my case 5)

Check List

• Tests have been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required