import type { EnvironmentId } from "@t3tools/contracts"; /** Null follows all environments, including ones connected after the menu opened. */export function toggleUsageEnvironment(  selected: ReadonlySet<EnvironmentId> | null,  environments: readonly { readonly environmentId: EnvironmentId }[],  toggledId: EnvironmentId,): ReadonlySet<EnvironmentId> | null {  const ids = environments.map(({ environmentId }) => environmentId);  const next = new Set(ids.filter((id) => selected === null || selected.has(id)));  if (ids.includes(toggledId)) {    if (next.has(toggledId)) next.delete(toggledId);    else next.add(toggledId);  }  return ids.every((id) => next.has(id)) ? null : next;}