This project includes java related libraries, runtimes etc... that is not available in the main mason-registry

• You can add the new registry before the default mason-registry as follows
• Run Mason and wait for mason to update the new registry

{
  'williamboman/mason.nvim',
  opts = {
    registries = {
      'github:nvim-java/mason-registry',
      'github:mason-org/mason-registry',
    },
  },
}