v11 types ProcedureBuilder & MiddlewareBuilder

type Middleware = ?
type Procedure = ?

const t = initTRPC.create()

class MyClass {
  private middleware: Middleware = t.middleware(({ next }) => next())
  private proc: Procedure = t.procedure

  public procedure(procedure: Procedure) {
    this.proc = procedure
    return this
  }

  public use(middleware: Middleware) {
    this.middleware = middleware
    return this
  }