export declare enum Drainage {
    'Very rapidly drained' = 0,
    'Rapidly drained' = 1,
    'Well drained' = 2,
    'Moderately well drained' = 3,
    'Imperfectly drained' = 4,
    'Poorly drained' = 5,
    'Very poorly drained' = 6,
    'N/A' = 7,
}