Code completion result for source line:
$childClass->testSingle|Sentence();
(QueryType=COMPLETION, prefixSearch=false, caseSensitive=true)
METHOD     testSingleSentence()            [PUBLIC]   ChildClass

Documentation:

testSingleSentence

testSingleSentence method of ChildClass.

testSingleSentence method of BaseClass. Description of ChildClass.