liq| shadergraph|: +ConnectionType{ CT_In, CT_Out, CT_InAndOut } (for er)
liq| shadergraph|:  liquidShader.scalar_name is both Input and Output. (for er)
Output the InAndOut parameter in RSL shader as input parameter.
liq| shadergraph|:  liquidShader.frequency is both Input and Output. (bugfix for rm)
Output the InAndOut parameter in RSL shader as output parameter.