Optional ReadonlywasmOverrides how the vendored WebP .wasm is located/loaded for this decoder;
see WasmHostInit for the fields. Leave unset to use the SDK-global
wasm resolution. The wasmBytes ⇒ wasmUrl ⇒ global wasmBaseUrl ⇒
build-default precedence is the SDK-wide wasm-host init contract, documented
once on the core config (see BitruviusConfig.wasmBaseUrl). Set a
wasmUrl for the cross-origin / CDN pattern.
Construction options for WebpDecoder.