export declare class TypeGuards {
    /**
     * A naive type guard to check if we are dealing with a string array.
     *
     * @remarks
     * Only checks if the first element of the array is of type "string".
     *
     * @param obj - An array
     */
    static isStringArray(obj: Array<unknown>): obj is Array<string>;
    /**
     * A naive type guard to check if we are dealing with a number array.
     *
     * @remarks
     * Only checks if the first element of the array is of type "number".
     *
     * @param obj - An array
     */
    static isNumberArray(obj: Array<unknown>): obj is Array<number>;
}