val firCall = ktCallExpression.getOrBuildFir(analysisSession.firResolveSession)?.unwrapSafeCall() as? FirCall ?: return emptyList()
        val parameter = firCall.findCorrespondingParameter(ktValueArgumentName.asName) ?: return emptyList()
        return listOfNotNull(parameter.buildSymbol(symbolBuilder))
    }

    private fun FirCall.findCorrespondingParameter(name: Name): FirValueParameter? {

	// error message don't handle it as n:n mapping below.
	isCall := false
	if r == 1 {
		_, isCall = ast.Unparen(orig_rhs[0]).(*ast.CallExpr)
	}

	// If we have a n:n mapping from lhs variable to rhs expression,
	// each value can be assigned to its corresponding variable.
	if l == r && !isCall {
		var x operand
		for i, lhs := range lhs {
			desc := lhs.name

	// error message don't handle it as n:n mapping below.
	isCall := false
	if r == 1 {
		_, isCall = syntax.Unparen(orig_rhs[0]).(*syntax.CallExpr)
	}

	// If we have a n:n mapping from lhs variable to rhs expression,
	// each value can be assigned to its corresponding variable.
	if l == r && !isCall {
		var x operand
		for i, lhs := range lhs {
			desc := lhs.name

//
//go:nosplit
//go:cgo_unsafe_args
//go:linkname syscall_syscall6
func syscall_syscall6(fn, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) {
	c := libcall{
		fn:   fn,
		n:    nargs,
		args: uintptr(unsafe.Pointer(&a1)),
	}

	entersyscallblock()
	asmcgocall(unsafe.Pointer(&asmsyscall6), unsafe.Pointer(&c))
	exitsyscall()
	return c.r1, 0, c.err
}

			// Any name-based heuristics are only relative to other calls,
			// and less influential than inferences from loop structure.
		case BlockDefer:
			local[b.ID] = blCALL
			certain[b.ID] = max8(blCALL, certain[b.Succs[0].b.ID])

		default:
			if len(b.Succs) == 1 {
				certain[b.ID] = certain[b.Succs[0].b.ID]
			} else if len(b.Succs) == 2 {

//
//   arg2 function offset as in
//       doc: https://www.ibm.com/support/knowledgecenter/en/SSLTBW_3.1.0/com.ibm.zos.v3r1.bpxb100/bpx2cr_List_of_offsets.htm
//
// func bpxcall(plist []unsafe.Pointer, bpx_offset int64)

TEXT ·bpxcall(SB), NOSPLIT|NOFRAME, $0
	MOVD  plist_base+0(FP), R1  // r1 points to plist
	MOVD  bpx_offset+24(FP), R2 // r2 offset to BPX vector table
	MOVD  R14, R7               // save r14

	m := make(map[BigKey]bool)
	k := BigKey{3, 4, 5}
	m[k] = true
	for i := 0; i < b.N; i++ {
		_ = m[k]
	}
}

type BigVal [3]int64

func BenchmarkBigValMap(b *testing.B) {
	m := make(map[BigKey]BigVal)
	k := BigKey{3, 4, 5}
	m[k] = BigVal{6, 7, 8}
	for i := 0; i < b.N; i++ {
		_ = m[k]
	}
}

func BenchmarkSmallKeyMap(b *testing.B) {
	m := make(map[int16]bool)

import org.jetbrains.kotlin.ir.declarations.IrAnnotationContainer
import org.jetbrains.kotlin.ir.declarations.IrDeclarationWithName
import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
import org.jetbrains.kotlin.ir.expressions.IrCall
import org.jetbrains.kotlin.ir.expressions.IrFieldAccessExpression
import org.jetbrains.kotlin.ir.symbols.UnsafeDuringIrConstructionAPI
import org.jetbrains.kotlin.ir.util.DumpIrTreeOptions

		//
		//   ctx, cancel    := context.WithCancel(...)
		//   ctx, cancel     = context.WithCancel(...)
		//   var ctx, cancel = context.WithCancel(...)
		//
		if !isContextWithCancel(pass.TypesInfo, n) || !isCall(stack[len(stack)-2]) {
			return true
		}
		var id *ast.Ident // id of cancel var
		stmt := stack[len(stack)-3]
		switch stmt := stmt.(type) {
		case *ast.ValueSpec:
			if len(stmt.Names) > 1 {

		log.Fatal("arith error:", err)
	}
	fmt.Printf("Arith: %d*%d=%d", args.A, args.B, reply)

or

	// Asynchronous call
	quotient := new(Quotient)
	divCall := client.Go("Arith.Divide", args, quotient, nil)
	replyCall := <-divCall.Done	// will be equal to divCall
	// check errors, print, etc.

A server implementation will often provide a simple, type-safe wrapper for the
client.