slidingTypeDescriptor.addPropertyChangeListener(this);
dockedTypeDescriptor = (DockedTypeDescriptor) ((InternalTypeDescriptor) manager.getTypeDescriptorTemplate(ToolWindowType.DOCKED)).cloneMe(this);
dockedTypeDescriptor.addPropertyChangeListener(this);
representativeAnchorDescriptor = new ToolWindowRepresentativeAnchorDescriptor(this);
representativeAnchorDescriptor.addPropertyChangeListener(this);
externTypeDescriptor = new DefaultExternTypeDescriptor();
}