canonicalMIMEHeaderKey
import { canonicalMIMEHeaderKey } from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.28.2/nats-base-client/internal_mod.ts";function canonicalMIMEHeaderKey(k: string): string;
import { canonicalMIMEHeaderKey } from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.28.2/nats-base-client/internal_mod.ts";