import { ChipInfo, VGMClockConverter } from "./vgm-converter";
import { VGMCommand, VGMWriteDataCommand, ChipName } from "vgm-parser";
import { AY8910ClockConverter } from "./ay8910-clock-converter";
export declare class OPNClockConverterBase extends VGMClockConverter {
    _ratio: number;
    _regs: Uint8Array[];
    _target: ChipName;
    _ssgConverter: AY8910ClockConverter | null;
    constructor(target: ChipName, from: ChipInfo, toClock: number, opts: any);
    convertWriteDataCommand(cmd: VGMWriteDataCommand): VGMWriteDataCommand[];
    convertCommand(cmd: VGMCommand): Array<VGMCommand>;
}
export declare class YM2203ClockConverter extends OPNClockConverterBase {
    constructor(from: ChipInfo, toClock: number, opts: any);
}
export declare class YM2612ClockConverter extends OPNClockConverterBase {
    constructor(from: ChipInfo, toClock: number, opts: any);
}
export declare class YM2608ClockConverter extends OPNClockConverterBase {
    constructor(from: ChipInfo, toClock: number, opts: any);
}