https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
public interface org.apache.lucene.search.spans.SpanCollector
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.lucene.search.spans.SpanCollector
  super_class: java.lang.Object
{
  public abstract void collectLeaf(org.apache.lucene.index.PostingsEnum, int, org.apache.lucene.index.Term);
    descriptor: (Lorg/apache/lucene/index/PostingsEnum;ILorg/apache/lucene/index/Term;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      postings  
      position  
      term      

  public abstract void reset();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "SpanCollector.java"