code: public static ConversionContext from(ProviderContext providerContext, RateType rateType) {
          return ConversionContextBuilder.create(providerContext, rateType).build();
      }
docs: Creates a new ConversionContext for the given  {@link ProviderContext} and the given {@link RateType}.
  <p>
  <i>Note:</i> for adding additional attributes use {@link javax.money.convert.ConversionContextBuilder
  (ProviderContext, RateType)}.
  
  @param providerContext the provider context, not null.
  @param rateType        the rate type, not null.
  @return a corresponding instance of ConversionContext.