import { BufferId, BufferUsage } from '../types';

export interface BufferEntry {
    id: BufferId;
    usage: BufferUsage;
    byteLength: number;
    lastUpdated: number;
}
export interface IBufferStore {
    /** Create or update a buffer with new data */
    createOrUpdate(id: BufferId, data: ArrayBufferView, usage?: BufferUsage): void;
    /** Partially update a buffer at an offset */
    partialUpdate(id: BufferId, data: ArrayBufferView, offsetBytes: number): boolean;
    /** Get buffer metadata */
    getInfo(id: BufferId): BufferEntry | undefined;
    /** Check if buffer exists */
    has(id: BufferId): boolean;
    /** Delete a buffer */
    delete(id: BufferId): void;
    /** Get all buffer IDs */
    keys(): IterableIterator<BufferId>;
    /** Get buffer count */
    readonly size: number;
    /** Cleanup all buffers */
    destroy(): void;
}
/**
 * Abstract base class for buffer stores
 */
export declare abstract class BaseBufferStore implements IBufferStore {
    protected entries: Map<string, BufferEntry>;
    abstract createOrUpdate(id: BufferId, data: ArrayBufferView, usage?: BufferUsage): void;
    abstract partialUpdate(id: BufferId, data: ArrayBufferView, offsetBytes: number): boolean;
    abstract delete(id: BufferId): void;
    abstract destroy(): void;
    getInfo(id: BufferId): BufferEntry | undefined;
    has(id: BufferId): boolean;
    keys(): IterableIterator<BufferId>;
    get size(): number;
}