import { ChipInfo, VGMClockConverter } from "./vgm-converter";
import { VGMCommand, VGMWriteDataCommand } from "vgm-parser";
import VGMWriteDataCommandBuffer from "./vgm-write-data-buffer";
export declare class OPMClockConverter extends VGMClockConverter {
    _ratio: number;
    _regs: Uint8Array;
    _buf: VGMWriteDataCommandBuffer;
    _keyDiff: number;
    _lfoDiff: number;
    constructor(from: ChipInfo, toClock: number, opts: {});
    _y(addr: number, data: number, optimize?: boolean): void;
    getInitialCommands(): Array<VGMCommand>;
    convertWriteDataCommand(cmd: VGMWriteDataCommand): VGMCommand[];
    convertCommand(cmd: VGMCommand): Array<VGMCommand>;
}