{
    "lsp": {
      "texlab": {
        "settings": {
          "texlab": {
            "build": {
              "onSave": false
            }
          }
        }
      }
    }
  }

{
  "lsp": {
    "texpresso-lsp": {
      "initialization_options": {
        "root_tex": "path/to/main/tex/file", // relative to workspace root, defaults to main.tex
        "texpresso_path": "path/to/texpresso/binary" // omissable if TeXpresso is in PATH
        // ^ this path must be to an executable called "texpresso" which must be in the same dir as the executable "texpresso-tonic"
      },
      "settings": {
        "preview_follow_cursor": true, // default true, makes preview constantly follow the position of the cursor
      }
    },
    "texlab": {
      "settings": {
        "texlab": {
          "build": {
            "onSave": false // we will be using texpresso to build
          }
        }
      }
    }
  },
  "languages": {
    "LaTeX": {
      "language_servers": ["texpresso-lsp", "texlab", "..."] // in workspaces where you do not want to use texpresso, replace "texpresso-lsp" with "!texpresso-lsp"
    }
  }
}