export type Primitive = null | undefined | string | number | boolean | bigint | symbol;
export type AnyFunction = (...args: any[]) => any;
export type TimerHandle = ReturnType<typeof setTimeout>;
export type KeyOf<T> = Extract<keyof T, string>;
export interface HighlightOptions {
    className?: string;
    tagName?: string;
    ignoreCase?: boolean;
}
export interface RetryOptions {
    retries?: number;
    delay?: number;
    factor?: number;
    shouldRetry?: (error: unknown, attempt: number) => boolean;
}
export interface StorageLike {
    getItem(key: string): string | null;
    setItem(key: string, value: string): void;
    removeItem(key: string): void;
    clear(): void;
}
export interface StorageToolkit {
    get(key: string): string;
    set(key: string, value: string): void;
    remove(key: string): void;
    clear(): void;
}
export interface ValidationRule<T extends Record<string, unknown> = Record<string, unknown>> {
    field: KeyOf<T>;
    required?: boolean;
    validator?: (value: unknown, source: T) => boolean;
    message?: string;
}
export interface ValidationResult<T extends Record<string, unknown> = Record<string, unknown>> {
    isValid: boolean;
    errors: string[];
    fieldErrors: Partial<Record<KeyOf<T>, string[]>>;
}
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