client-api/src/main/java/com/streamsets/datacollector/client/api/SystemApi.java
public Map<String, Object> getConfiguration () throws ApiException {
    Object postBody = null;
    byte[] postBinaryBody = null;

    // create path and map variables
    String path = "/v1/system/configuration".replaceAll("\\{format\\}","json");

    // query params
    List<Pair> queryParams = new ArrayList<Pair>();
    Map<String, String> headerParams = new HashMap<String, String>();
    Map<String, Object> formParams = new HashMap<String, Object>();

    final String[] accepts = {
      "application/json"
    };
    final String accept = apiClient.selectHeaderAccept(accepts);

    final String[] contentTypes = {

    };
    final String contentType = apiClient.selectHeaderContentType(contentTypes);

    String[] authNames = new String[] { "basic" };

    TypeRef returnType = new TypeRef<Map<String, Object>>() {};
    return apiClient.invokeAPI(path, "GET", queryParams, postBody, postBinaryBody, headerParams, formParams, accept,
        contentType, authNames, returnType);
  }
public Map<String, Object> getConfiguration () throws ApiException {
    Object postBody = null;
    byte[] postBinaryBody = null;

    // create path and map variables
    String path = "/v1/system/configuration".replaceAll("\\{format\\}","json");

    // query params
    List<Pair> queryParams = new ArrayList<Pair>();
    Map<String, String> headerParams = new HashMap<String, String>();
    Map<String, Object> formParams = new HashMap<String, Object>();

    final String[] accepts = {
      "application/json"
    };
    final String accept = apiClient.selectHeaderAccept(accepts);

    final String[] contentTypes = {

    };
    final String contentType = apiClient.selectHeaderContentType(contentTypes);

    String[] authNames = new String[] { "basic" };

    TypeRef returnType = new TypeRef<Map<String, Object>>() {};
    return apiClient.invokeAPI(path, "GET", queryParams, postBody, postBinaryBody, headerParams, formParams, accept,
        contentType, authNames, returnType);
  }
Returns ALL SDC Configuration

@return Map<String, Object>