ph-schematron/src/main/java/com/helger/schematron/pure/binding/PSQueryBindingRegistry.java
@Nullable
  public static IPSQueryBinding getQueryBindingOfName (@Nullable final String sName)
  {
    if (sName == null)
      return DEFAULT_QUERY_BINDING;

    return s_aRWLock.readLocked ( () -> s_aMap.get (sName));
  }
@Nullable
  public static IPSQueryBinding getQueryBindingOfName (@Nullable final String sName)
  {
    if (sName == null)
      return DEFAULT_QUERY_BINDING;

    return s_aRWLock.readLocked ( () -> s_aMap.get (sName));
  }
Get the query binding with the specified name.

@param sName
The name to the query binding to retrieve. May be <code>null</code>.
If it is <code>null</code> than the {@link #DEFAULT_QUERY_BINDING}
object is returned.
@return <code>null</code> if no such query binding was found.