const Tee = require('herbal')
 
// static factories
let tee1 = Tee.create(
    fs.createWriteStream('a'), 
    fs.createWriteStream('b')
)
 
let tee2 = Tee.createEx(
    { highWaterMark:123 },
    fs.createWriteStream('c'), 
    fs.createWriteStream('d')
)
 
let tee3 = Tee.createObjectStream(s1, s3, s3)
 
// constructor 
let tee4 = new Tee(
    [ 
        fs.createWriteStream('e'),
        fs.createWriteStream('f')
    ],
    { highWaterMark:123 }
)
 
// add more streams after construction
tee.add(fs.createWriteStream('g'))
tee.add(fs.createWriteStream('h'))