Code completion result for source line:
$childClass->testMissing|Param($param1);
(QueryType=COMPLETION, prefixSearch=false, caseSensitive=true)
METHOD     testMissingParam($param1)       [PUBLIC]   ChildClass

Documentation:

testMissingParam

testMissingParam method of ChildClass.

testMissingParam method description of ChildClass.

Parameters:

 string$param1param1 description of BaseClass