        function isAllowedAsNonBacktick(node) {
            const parent = node.parent;

            switch (parent.type) {

                // Directive Prologues.
                case "ExpressionStatement":
                    return isPartOfDirectivePrologue(node);

                // LiteralPropertyName.
                case "Property":
                case "MethodDefinition":
                    return parent.key === node && !parent.computed;

                // ModuleSpecifier.
                case "ImportDeclaration":
                case "ExportNamedDeclaration":
                case "ExportAllDeclaration":
                    return parent.source === node;

                // Others don't allow.
                default:
                    return false;
            }
        }
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.