parquet-column/src/main/java/org/apache/parquet/schema/GroupType.java
@Override
  public void writeToStringBuilder(StringBuilder sb, String indent) {
    sb.append(indent)
        .append(getRepetition().name().toLowerCase(Locale.ENGLISH))
        .append(" group ")
        .append(getName())
        .append(getLogicalTypeAnnotation() == null ? "" : " (" + getLogicalTypeAnnotation().toString() +")")
        .append(getId() == null ? "" : " = " + getId())
        .append(" {\n");
    membersDisplayString(sb, indent + "  ");
    sb.append(indent)
        .append("}");
  }
@Override
  public void writeToStringBuilder(StringBuilder sb, String indent) {
    sb.append(indent)
        .append(getRepetition().name().toLowerCase(Locale.ENGLISH))
        .append(" group ")
        .append(getName())
        .append(getLogicalTypeAnnotation() == null ? "" : " (" + getLogicalTypeAnnotation().toString() +")")
        .append(getId() == null ? "" : " = " + getId())
        .append(" {\n");
    membersDisplayString(sb, indent + "  ");
    sb.append(indent)
        .append("}");
  }
{@inheritDoc}