coc-settings.json

{
    "inlayHint.enable": false,
    "languageserver": {
        "clangd": {
            "command": "clangd",
            "args": ["-j=2", "--suggest-missing-includes", "--header-insertion=never"],
            "rootPatterns": ["compile_flags.txt", "compile_commands.json", ".arcadia.root"],
            "filetypes": ["c", "cc", "cpp", "c++", "objc", "objcpp"]
        },
        "pyls": {
            "command": "pyls",
            "rootPatterns": [".git", ".arcadia.root", "requirements.txt"],
            "filetypes": ["python"]
        },
        "rls": {
            "command": "rls",
            "rootPatterns": ["Cargo.toml", "rust-toolchain", ".git"],
            "filetypes": ["rust"]
        },
        "go": {
            "command": "gopls",
            "rootPatterns": ["go.mod"],
            "trace.server": "verbose",
            "filetypes": ["go"]
        },
        "haskell": {
            "command": "haskell-language-server-wrapper",
            "args": ["lsp"],
            "rootPatterns": [".git", "*.cabal"],
            "filetypes": ["haskell"]
        }
    }
}