docs: public void validateFile(String fileName, String fileContents) throws ProvisioningApiException {
  		
  		RequestBody requestBody = new MultipartBuilder()
  		.type(MultipartBuilder.FORM)
  		.addPart(
  		  	Headers.of("Content-Disposition", "form-data; name=\"csvfile\"; filename=\""+fileName+"\""),
  		  	RequestBody.create(MediaType.parse("text/csv"), fileContents))
  		.build();
  
   		Request request = new Request.Builder()
  			.url(this.client.getBasePath()+"/import-users/validate-csv")
  			.post(requestBody)
  			.build();
  		try {
  			Response response = this.client.getHttpClient().newCall(request).execute();
  		} catch(IOException e) {
  			throw new ProvisioningApiException("Error validating file", e);
  		}
  		
  	}