Function createImmutableHeaders

createImmutableHeaders(
init?: HeadersInit | Record<string, string | string[]> | null,
): RichHeaders
Create a new RichHeaders instance with "immutable" guard. Immutable headers cannot be modified after creation.
Parameters
- Optionalinit: HeadersInit | Record<string, string | string[]> | null
  Optional initial headers
Returns RichHeaders
A new RichHeaders instance with immutable guard
- Defined in src/headers.ts:2651