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const envVars = new Map<string, string>();
export function setEnv(name: string, value: string) {  // Deno Deploy doesn't support permissions.requestSync  // https://github.com/denoland/deploy_feedback/issues/527  if (Deno.permissions.querySync?.({ name: "env" }).state === "granted") {    Deno.env.set(name, value);  } else {    envVars.set(name, value);  }}
export function env<T>(name: string): T | undefined {  if (envVars.has(name)) {    return envVars.get(name) as T;  }
  // Deno Deploy doesn't support permissions.requestSync  // https://github.com/denoland/deploy_feedback/issues/527  const allowed = !Deno.permissions.requestSync ||    Deno.permissions.requestSync({ name: "env" }).state === "granted";
  if (!allowed) {    return undefined;  }
  const value = envVars.has(name) ? envVars.get(name) : Deno.env.get(name);
  if (typeof value === "undefined") {    return undefined;  }
  switch (value.toLowerCase()) {    case "true":    case "on":    case "1":      return true as T;
    case "false":    case "off":    case "0":      return false as T;
    default:      return value as T;  }}