class ViewModel::ActiveRecord::AbstractCollectionUpdate::Parser

def parse(value)
  case value
  when Array
    replace_update_type.new(parse_contents(value))
  when Hash
    ViewModel::Schemas.verify_schema!(functional_update_schema, value)
    functional_updates = value[ACTIONS_ATTRIBUTE].map { |action| parse_action(action) }
    functional_update_type.new(functional_updates)
  else
    raise ViewModel::DeserializationError::InvalidSyntax.new(
            "Could not parse non-array value for collection association '#{association_data}'",
            blame_reference)
  end
end