/**
 * Inject dynamic style into document head
 * @param hash Unique hash for the style
 * @param styleContent CSS content to inject
 */
export declare function injectDynamicStyle(hash: string, styleContent: string): void;
/**
 * Check if a style is already injected
 * @param hash Style hash to check
 */
export declare function hasInjectedStyle(hash: string): boolean;
/**
 * Remove a specific injected style
 * @param hash Style hash to remove
 */
export declare function removeDynamicStyle(hash: string): void;
/**
 * Clear all injected dynamic styles
 */
export declare function clearAllDynamicStyles(): void;
/**
 * Get statistics about injected styles
 */
export declare function getStyleStats(): {
    count: number;
    hashes: string[];
};
/**
 * Batch inject multiple styles
 * @param styles Array of style objects with hash and content
 */
export declare function batchInjectStyles(styles: Array<{
    hash: string;
    content: string;
}>): void;
/**
 * Create a scoped style injector for a specific component or context
 */
export declare function createScopedStyleInjector(scope: string): {
    inject(hash: string, styleContent: string): void;
    cleanup(): void;
    getHashes(): string[];
};