 params="Yield, Await"><a href="#prod-OptionalExpression">OptionalExpression</a><emu-mods><emu-params>[Yield, Await]</emu-params></emu-mods></emu-nt><emu-geq>:</emu-geq><emu-rhs a="782537e4"><emu-nt params="?Yield, ?Await" id="_ref_30"><a href="#prod-MemberExpression">MemberExpression</a><emu-mods><emu-params>[?Yield, ?Await]</emu-params></emu-mods></emu-nt><emu-nt params="?Yield, ?Await" id="_ref_31"><a href="#prod-OptionalChain">OptionalChain</a><emu-mods><emu-params>[?Yield, ?Await]</emu-params></emu-mod