Entrance condition:

"comeInShinecharging": {
  "length": 4,
  "openEnd": 1,
  "steepDownTiles": 1
}

Requires:

"Gravity",
{"or": [
  {"shinespark": {"frames": 77, "excessFrames": 3}},
  {"and": [
    "canMidairShinespark",
    {"shinespark": {"frames": 69, "excessFrames": 3}}
  ]},
  {"and": [
    "HiJump",
    "canMidairShinespark",
    {"shinespark": {"frames": 65, "excessFrames": 3}}
  ]}
]}

Clears obstacles: A

Dev note: This does not require canShinechargeMovement, because this is the easiest and vanilla expected variant.