code: protected ClientHttpRequestInterceptor buildAddHeadersRequestInterceptor(String header1, String value1, String header2, String value2, String header3, String value3, String header4, String value4){
  		return new AddHeadersRequestInterceptor(new String[]{header1, header2, header3, header4}, new String[]{value1, value2, value3, value4});
  	}
docs: Build a ClientHttpRequestInterceptor that adds three request headers
  @param header1	name of header 1
  @param value1	value of header 1
  @param header2	name of header 2
  @param value2	value of header 2
  @param header3	name of header 3
  @param value3	value of header 3
  @param header4	name of the header 4
  @param value4	value of the header 4
  @return the ClientHttpRequestInterceptor built