@Nullable
    public static SerializationFormat find(String uriText) {
        uriText = Ascii.toLowerCase(requireNonNull(uriText, "uriText"));
        return uriTextToFormats.get(uriText);
    }
Finds the {@link SerializationFormat} with the specified {@link #uriText()}.
core/src/main/java/com/linecorp/armeria/common/SerializationFormat.java