import { BasicMIDI } from "spessasynth_core";
export type TrackId = string;
export type CanonicalNote = {
    midi: number;
    time: number;
    duration: number;
    velocity: number;
    ticks: number;
};
export type TimeSignatureChange = {
    ticks: number;
    numerator: number;
    denominator: number;
};
export type CanonicalTrack = {
    id: TrackId;
    sourceTrackIndex: number;
    sourcePort: number;
    sourceChannel?: number;
    playbackPort?: number;
    playbackChannel?: number;
    playbackChannelIndex?: number;
    name: string;
    program?: number;
    instrument: string;
    instrumentFamily: string;
    isDrums: boolean;
    notes: CanonicalNote[];
};
export type CanonicalMidiDocument = {
    original: BasicMIDI;
    duration: number;
    ppq: number;
    timeSignatures: TimeSignatureChange[];
    tracks: CanonicalTrack[];
};
export declare function parseCanonicalMidi(binary: ArrayBuffer, fileName?: string): CanonicalMidiDocument;
export declare function createTrackId(trackIndex: number, port: number, channel?: number): TrackId;
export declare function isChannelMessage(statusByte: number): boolean;