Bug 189622 DesignElementHandle.getMethods( ) shouldn't return null value
The return type of DesignElementHandle.getMethods( ) is List; if the design element handle doesn't have script methods, then it return null value. The return value is empty list will be better.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/extension/PeerExtensibilityProvider.java
}
					if ( value != null )
						break;
					parent = (ExtendedItem) ModelUtil.getParent( parent );
				}
			}
			else
			{
				
				
				this.extensionPropValues.remove( propName );
			}
			if ( value != null )
			{
				byte[] raw = null;
				try
				{
					raw = value.toString( ).getBytes(
							UnicodeUtil.SIGNATURE_UTF_8 );
				}
				catch ( UnsupportedEncodingException e )
				{
					assert false;
				}
				if ( reportItem != null )
					reportItem.deserialize( propName, new ByteArrayInputStream(
							raw ) );
			}
		}
	}