/*!
 * Copyright (C) Microsoft Corporation. All rights reserved.
 */
/**
 * Global VFS manager to avoid passing VFS instances around throughout the package.
 * Initialize once with setVfs() and then use getVfs() throughout the codebase.
 */
let vfsInstance = null;
/**
 * Sets the global VFS instance to be used throughout the package.
 * Should be called once during initialization (e.g., in addDataSourceAsync).
 */
export function setVfs(vfs) {
    vfsInstance = vfs;
}
/**
 * Gets the global VFS instance.
 * Throws an error if VFS has not been initialized.
 */
export function getVfs() {
    if (!vfsInstance) {
        throw new Error('VFS has not been initialized. Call setVfs() first.');
    }
    return vfsInstance;
}
/**
 * Checks if VFS has been initialized.
 */
export function isVfsInitialized() {
    return vfsInstance !== null;
}
/**
 * Clears the VFS instance (useful for testing or cleanup).
 */
export function clearVfs() {
    vfsInstance = null;
}
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