export function checkKey(key: string): boolean { if (typeof key !== 'string') { console.error("key: '" + key + "' must be a string"); return false; } return true; } export function ensureValidValue(value: any, valueType: string): boolean { if (typeof value !== valueType) { console.error("value: '" + value + "' must be a " + valueType); return false; } return true; }