Behind entire front has tyek house wrap.
Siding to stone flashing.
They will not necessarily apply to all circumstances you may encounter.
Then you can shed the water and assume the stone is durable.
Siding around windows and top of front meeting a stone weatherledge with stone veneer below.
Between the siding and stone transition.
Run the l shaped flashing up under the bottom row of siding so that it tucks under the final bottom row and on top of the wall and on top of the last row of bricks before you cap it with the cap.
Drip cap has flashing tape where nailed where it meets house wrap.
Siding with j channel at bottom.
Behind siding is a 4 inch drip cap.
Vinyl siding is in no way waterproof and you should must have a primary water barrier behind it to protect the wood.
Make sure the flashing from below comes up and is behind the primary barrier to continue to shed the water down and away.
To maintain the weather resistance of the extenor wall on which the stone is installed a corrosion resistance flashing.