code: @Nullable
  	@SuppressWarnings("unchecked")
  	public <T extends AffordanceModel> T getAffordanceModel(MediaType mediaType) {
  		return (T) this.affordanceModels.get(mediaType);
  	}
docs: Look up the {@link AffordanceModel} for the requested {@link MediaType}.
  
  @param mediaType
  @return