import type { ProjectConfig, SogniClientConfig, ImageProjectConfig, VideoProjectConfig, AudioProjectConfig } from '../types/index.js';
export declare function generateAppId(): string;
export declare function isImageProjectConfig(config: ProjectConfig): config is ImageProjectConfig;
export declare function isVideoProjectConfig(config: ProjectConfig): config is VideoProjectConfig;
export declare function isAudioProjectConfig(config: ProjectConfig): config is AudioProjectConfig;
export declare function isWanVideoModel(modelId: string): boolean;
export declare function isLtxVideoModel(modelId: string): boolean;
export declare function isSeedanceVideoModel(modelId: string): boolean;
export declare function isSeedance25VideoModel(modelId: string): boolean;
export declare function isHappyHorseVideoModel(modelId: string): boolean;
export declare function isMiniMaxH3VideoModel(modelId: string): boolean;
export declare function isLooseReferenceVideoModel(modelId: string): boolean;
export interface VideoDimensionRules {
    minDimension: number;
    maxDimension: number;
    dimensionMultiple: number;
    maxPixels?: number;
}
export declare function getVideoDimensionRules(modelId?: string): VideoDimensionRules;
export declare function getMaxContextImages(modelId: string): number;
export declare function supportsContextImages(modelId: string): boolean;
export declare function isCookieAuth(config: SogniClientConfig): boolean;
export declare function validateClientConfig(config: SogniClientConfig): void;
export declare function validateProjectConfig(config: ProjectConfig): void;
export declare function createTimeoutPromise<T>(timeoutMs: number, errorMessage?: string): Promise<T>;
export declare function waitFor(condition: () => boolean | Promise<boolean>, options?: {
    timeout?: number;
    interval?: number;
    timeoutMessage?: string;
}): Promise<void>;
export declare function sleep(ms: number): Promise<void>;
export declare function retry<T>(fn: () => Promise<T>, options?: {
    maxAttempts?: number;
    initialDelay?: number;
    maxDelay?: number;
    backoffFactor?: number;
    onRetry?: (attempt: number, error: Error) => void;
}): Promise<T>;
export declare function formatBytes(bytes: number, decimals?: number): string;
export declare function formatDuration(ms: number): string;
export declare function deepClone<T>(obj: T): T;
export declare function isPlainObject(value: any): value is Record<string, any>;
export declare function deepMerge<T extends Record<string, any>>(target: T, ...sources: Partial<T>[]): T;
export declare function sanitizeForLog(str: string, keysToHide?: string[]): string;
export declare function debounce<T extends (...args: any[]) => any>(func: T, waitMs: number): (...args: Parameters<T>) => void;
export declare function throttle<T extends (...args: any[]) => any>(func: T, limitMs: number): (...args: Parameters<T>) => void;
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