if recvPar != nil {
		recvList, _ = check.collectParams(scope, []*syntax.Field{recvPar}, false, scopePos) // use rewritten receiver type, if any
	}
	params, variadic := check.collectParams(scope, ftyp.ParamList, true, scopePos)
	results, _ := check.collectParams(scope, ftyp.ResultList, false, scopePos)
	scope.Squash(func(obj, alt Object) {
		err := check.newError(DuplicateDecl)

	scopePos := ftyp.End() // all parameters' scopes start after the signature
	recvList, _ := check.collectParams(scope, recvPar, false, scopePos)
	params, variadic := check.collectParams(scope, ftyp.Params, true, scopePos)
	results, _ := check.collectParams(scope, ftyp.Results, false, scopePos)
	scope.squash(func(obj, alt Object) {
		err := check.newError(DuplicateDecl)

					Error:    err,
					Resource: matchGVR,
					Kind:     matchGVK,
				})
				continue
			} else if !matches {
				continue
			}

			// Collect params for this binding
			params, err := CollectParams(
				policyAccessor.GetParamKind(),
				hook.ParamInformer,
				hook.ParamScope,
				bindingAccessor.GetParamRef(),
				a.GetNamespace(),
			)
			if err != nil {

			if err != nil {
				// Configuration error.
				addConfigError(err, definition, binding)
				continue
			}
			if !matches {
				continue
			}

			params, err := generic.CollectParams(
				hook.Policy.Spec.ParamKind,
				hook.ParamInformer,
				hook.ParamScope,
				binding.Spec.ParamRef,
				a.GetNamespace(),
			)

			if err != nil {
				addConfigError(err, definition, binding)