Send a Multipart REST Request

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Demonstrates Rest.FullRequestMultipart, which sends a complete multipart request using the parts configured on the object, then returns the response body as text.

import 'package:chilkat/chilkat.dart';

void main() {
  final rest = CkRest();
  final bTls = true;
  final bAutoReconnect = true;
  try {
    rest.connect('example.com', 443, bTls, bAutoReconnect);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Configure a multipart request part before sending.  PartSelector selects the part being built,
  // and the header fields and body apply to that part.
  rest.partSelector = '1';
  rest.addHeader('Content-Type', 'text/plain');
  rest.addHeader('Content-Disposition', 'form-data; name="field1"');
  try {
    rest.setMultipartBodyString('value1');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Send the multipart request using the configured parts.  The response body is returned as text.
  final String responseText;
  try {
    responseText = rest.fullRequestMultipart('POST', '/api/upload');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print(responseText);
}