/**
 * A class for writing PDF content to a byte array.
 */
export declare class PDFWriter {
    #private;
    private bytes;
    /**
     * Creates a new PDFWriter.
     */
    constructor();
    /** Returns the current position in the byte array. */
    get position(): number;
    /** Returns the current column position in the byte array. */
    get column(): number;
    /** Increases the indentation level for pretty-printing. */
    indent(): void;
    /** Decreases the indentation level for pretty-printing. */
    unindent(): void;
    /** Appends indentation spaces based on the current indentation level. */
    appendIndent(): void;
    /** Appends a string to the byte array. */
    appendString(str: string): void;
    /** Ensures the current position is at the start of a new line. */
    ensureNewLine(): void;
    /** Appends a single byte to the byte array. */
    appendByte(byte: number): void;
    /** Appends multiple bytes to the byte array. */
    appendBytes(data: ArrayLike<number>): void;
    /**
     * Returns the bytes that have been written as a Uint8Array.
     */
    getBytes(): Uint8Array;
    private grow;
}