export declare class Emitter {
    private indentLevel;
    private shiftWidth;
    protected code: string;
    constructor(shiftWidth?: number);
    write(str: string): void;
    /**
     * @deprecated 此前 Emitter 是 abstract class，这是 write 的默认实现
     */
    defaultWrite(str: string): void;
    fullText(): string;
    indent(): void;
    unindent(): void;
    writeNewLine(): void;
    nextLine(str: string): void;
    feedLine(str: string): void;
    writeLine(str: string): void;
    writeLines(str: string): void;
    writeIndentedLines(str: string): void;
    carriageReturn(): void;
    private atLineBegin;
    private size;
    protected lastChar(): string;
}