com.sun.msv.grammar.Grammar Maven / Gradle / Ivy
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package com.sun.msv.grammar;
/**
* base interface of the "grammar".
*
* This interface characterizes very basic part of grammar.
*
* @author Kohsuke KAWAGUCHI
*/
public interface Grammar extends java.io.Serializable {
/**
* gets top-level expression.
* This expression shall be the constraint over the document element.
* Never return null.
*/
Expression getTopLevel();
/**
* gets ExpressionPool object which was used to construct this grammar.
* Never return null.
*/
ExpressionPool getPool();
}