WatercourseLink

GML attribute	Vector tiles attribute
gml_id	toid
fictitious	fictitious
form	form
level	level
provenance	provenance
flowDirection	flow_direction
primacy	primacy
watercourseNumber	watercourse_number
watercourseName	watercourse_name
watercourseNameAlternative	watercourse_name_alternative
localNameLang	local_name
localNameAlternative	local_name_alternative
catchmentName	catchment_name
Permanence	permanence
managedNavigation	managed_navigation
length	length
length_uom	length_uom
gradient	gradient
width	width
width_uom	width_uom
levelOfDetail	level_of_detail