code: public Observable<ServiceResponse<OCR>> oCRUrlInputWithServiceResponseAsync(String language, String contentType, BodyModelModel imageUrl, OCRUrlInputOptionalParameter oCRUrlInputOptionalParameter) {
          if (this.client.baseUrl() == null) {
              throw new IllegalArgumentException("Parameter this.client.baseUrl() is required and cannot be null.");
          }
          if (language == null) {
              throw new IllegalArgumentException("Parameter language is required and cannot be null.");
          }
          if (contentType == null) {
              throw new IllegalArgumentException("Parameter contentType is required and cannot be null.");
          }
          if (imageUrl == null) {
              throw new IllegalArgumentException("Parameter imageUrl is required and cannot be null.");
          }
          Validator.validate(imageUrl);
          final Boolean cacheImage = oCRUrlInputOptionalParameter != null ? oCRUrlInputOptionalParameter.cacheImage() : null;
          final Boolean enhanced = oCRUrlInputOptionalParameter != null ? oCRUrlInputOptionalParameter.enhanced() : null;
  
          return oCRUrlInputWithServiceResponseAsync(language, contentType, imageUrl, cacheImage, enhanced);
      }
docs: Returns any text found in the image for the language specified. If no language is specified in input then the detection defaults to English.
  
  @param language Language of the terms.
  @param contentType The content type.
  @param imageUrl The image url.
  @param oCRUrlInputOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the OCR object