Returns the qualified sub package part of the given package name of format "basePackageName:subPackageName", or empty string if none.
This is the part of the package name excluding the base package name. See also getBasePackageName.
See Implementation
Returns the qualified sub package part of the given package name of format "basePackageName:subPackageName", or empty string if none.
This is the part of the package name excluding the base package name. See also getBasePackageName.