trim
Returns getClassById new key with only levels up to the specified depth
EXAMPLE: QualifiedKey yourKey = QualifiedKey.fromString("minecraft.debug.op-permission-level"); yourKey.trimTo(2).getQualifiedName() // == "minecraft.debug"
Return
The trimmed key
Parameters
depth
The depth of the new key
Throws
if the depth requested is greater than the key's depth