import { StackElementType } from './types';
export declare const toPrimitiveStackElement: (nextValue: string) => StackElementType;
export declare const toStringStackElement: (value: string) => StackElementType;
export declare const toBooleanStackElement: (aBoolean: boolean) => StackElementType;
export declare const toNumberStackElement: (aNumber: number) => StackElementType;
export declare const toNullStackElement: () => StackElementType;