function createHeadInjectionTransformStreamimport { createHeadInjectionTransformStream } from "https://dotland.deno.dev/x/ultra@v2.0.0-beta.13/stream.ts"; createHeadInjectionTransformStream(inject: () => Promise<string>): TransformStream<Uint8Array, Uint8Array>Parametersinject: () => Promise<string>ReturnsTransformStream<Uint8Array, Uint8Array>