public String getOutput(final boolean ignoreStopped) {
    checkStarting();
    if (!ignoreStopped) {
      checkStopped();
    }
    final StringBuilder sb = new StringBuilder();
    for (final String allLine : allLines) {
      sb.append(allLine + System.lineSeparator());
    }
    return sb.toString();
  }
Wraps spawned {@link Process} to capture output and provide interaction with the process.

@since GemFire 4.1.1
geode-junit/src/main/java/org/apache/geode/test/process/ProcessWrapper.java