/**
 * concats 2 strings
 *
 * @remarks
 * It takes 2 or more arguments, converts them to strings and concats them.
 *
 * strConcat(<word1\>, <word1\>, ...)
 *
 * - **<word1\>** - a string or number
 * - **<word2\>** - a string or number
 *
 * ## Usage
 *
 * - `strConcat('this ', 'is a word')` - returns 'this is a word'
 * - `strConcat(1,2)` - returns '12'
 * - `strConcat(1,"a")` - returns '1a'
 * - `strConcat("a",12, "b", " ", 17)` - returns 'a12b 17'
 *
 */
import { BaseMethod } from './_Base';
export declare class StrConcatExpression extends BaseMethod {
    static required_arguments(): any[];
    process_arguments(args: any[]): Promise<string>;
}