ChannelType

< Internal value. Used to denote that a channel no longer holds valid data.

< Type denoting the R channel, not necessarily the first in a RGB Color Mode document.

< Type denoting the G channel, not necessarily the second in a RGB Color Mode document.

< Type denoting the B channel, not necessarily the third in a RGB Color Mode document.

< The layer's channel data is a transparency mask.

< The layer's channel data is either a layer or vector mask.

< The layer's channel data is a layer mask.