export declare type SGFunc = (sg: StringGen) => StringGen;
export declare class StringGen {
    private readonly lf;
    private readonly indent;
    private readonly strings;
    private readonly eol;
    constructor(lf?: string, indent?: number, strings?: string[], eol?: boolean);
    pushIndent(amount?: number): StringGen;
    popIndent(amount?: number): StringGen;
    appendLine(line?: string): StringGen;
    append(text: string): StringGen;
    braces(func: SGFunc): StringGen;
    bracesSemicolon(func: SGFunc): StringGen;
    bracesComma(func: SGFunc): StringGen;
    toString(): string;
    private bracesImpl;
    private appendLineFeed;
    private appendIndent;
}