import { type Pointer } from "bun:ffi";
import type { FFISymbols } from "./ffi.js";
import type { InstanceTicker } from "./GPU.js";
import type { GPUDeviceImpl } from "./GPUDevice.js";
import { EventEmitter } from "events";
export declare class GPUBufferImpl extends EventEmitter implements GPUBuffer {
    readonly bufferPtr: Pointer;
    private readonly device;
    private lib;
    private instanceTicker;
    private _size;
    private _descriptor;
    private _mapState;
    private _pendingMap;
    private _mapCallback;
    private _mapCallbackCloseScheduled;
    private _mapCallbackPromiseData;
    private _destroyed;
    private _mappedOffset;
    private _mappedSize;
    private _returnedRanges;
    private _detachableArrayBuffers;
    __brand: "GPUBuffer";
    label: string;
    ptr: Pointer;
    constructor(bufferPtr: Pointer, device: GPUDeviceImpl, lib: FFISymbols, descriptor: GPUBufferDescriptor, instanceTicker: InstanceTicker);
    private _scheduleMapCallbackClose;
    private _checkRangeOverlap;
    private _createDetachableArrayBuffer;
    get size(): GPUSize64;
    get usage(): GPUFlagsConstant;
    get mapState(): GPUBufferMapState;
    mapAsync(mode: GPUMapModeFlags, offset?: GPUSize64, size?: GPUSize64): Promise<undefined>;
    private _validateAlignment;
    getMappedRangePtr(offset?: GPUSize64, size?: GPUSize64): Pointer;
    _getConstMappedRangePtr(offset: GPUSize64, size: GPUSize64): Pointer;
    getMappedRange(offset?: GPUSize64, size?: GPUSize64): ArrayBuffer;
    _getConstMappedRange(offset: GPUSize64, size: GPUSize64): ArrayBuffer;
    _detachBuffers(): void;
    unmap(): undefined;
    release(): undefined;
    destroy(): undefined;
}