Document unexpected behavior in region.selectValue
Document unexpected behavior in region.selectValue

[Finishes #78962224]

mross-pivotal/node-gemfire,gemfire/node-gemfire,gemfire/node-gemfire,mross-pivotal/node-gemfire,mross-pivotal/node-gemfire,gemfire/node-gemfire,gemfire/node-gemfire,gemfire/node-gemfire,gemfire/node-gemfire,mross-pivotal/node-gemfire,mross-pivotal/node-gemfire,mross-pivotal/node-gemfire