# Hierarchy For Package org.apache.lucene.queryparser.flexible.core

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.queryparser.flexible.core.QueryParserHelper
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Error
      - org.apache.lucene.queryparser.flexible.core.QueryNodeError (implements org.apache.lucene.queryparser.flexible.messages.NLSException)
    - java.lang.Exception
      - org.apache.lucene.queryparser.flexible.core.QueryNodeException (implements org.apache.lucene.queryparser.flexible.messages.NLSException)
        - org.apache.lucene.queryparser.flexible.core.QueryNodeParseException

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