There are quite a few mods available in Minecraft, and they are usually restricted to the Java Edition. While behavior pack add-ons can change the way Bedrock Edition runs, mods can do so much more.
These source files were generated via MCP, for your usage. I've set up this old MCP940 for 1.12 to work with 1.12.2. I zipped and committed the decompiled source files if you want to view them.
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