import PDFOperator from '../../../pdf-operators/PDFOperator';
/**
 * Modify the current transformation matrix (CTM) by concatenating the specified
 * matrix. Although the operands specify a matrix, they shall be written as six
 * separate numbers, not as an array.
 */
declare class cm extends PDFOperator {
    static of: (a: number, b: number, c: number, d: number, e: number, f: number) => cm;
    a: number;
    b: number;
    c: number;
    d: number;
    e: number;
    f: number;
    constructor(a: number, b: number, c: number, d: number, e: number, f: number);
    toString: () => string;
    bytesSize: () => number;
    copyBytesInto: (buffer: Uint8Array) => Uint8Array;
}
export default cm;