code: public InputInner createOrReplace(String resourceGroupName, String jobName, String inputName, InputInner input, String ifMatch, String ifNoneMatch) {
          return createOrReplaceWithServiceResponseAsync(resourceGroupName, jobName, inputName, input, ifMatch, ifNoneMatch).toBlocking().single().body();
      }
docs: Creates an input or replaces an already existing input under an existing streaming job.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param jobName The name of the streaming job.
  @param inputName The name of the input.
  @param input The definition of the input that will be used to create a new input or replace the existing one under the streaming job.
  @param ifMatch The ETag of the input. Omit this value to always overwrite the current input. Specify the last-seen ETag value to prevent accidentally overwritting concurrent changes.
  @param ifNoneMatch Set to '*' to allow a new input to be created, but to prevent updating an existing input. Other values will result in a 412 Pre-condition Failed response.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the InputInner object if successful.