/**
 * @rajeev02/camera — Photo Filters
 * Preset filters (Instagram/Snapchat style) with adjustable intensity
 */
export interface PhotoFilter {
    id: string;
    name: string;
    category: FilterCategory;
    /** Thumbnail preview URI */
    thumbnail?: string;
    /** Adjustment values this filter applies */
    adjustments: Partial<FilterAdjustments>;
    /** Whether this is a premium filter */
    premium: boolean;
}
export type FilterCategory = "natural" | "warm" | "cool" | "vintage" | "dramatic" | "bw" | "film" | "portrait" | "food" | "landscape" | "night" | "artistic";
export interface FilterAdjustments {
    brightness: number;
    contrast: number;
    saturation: number;
    warmth: number;
    tint: number;
    highlights: number;
    shadows: number;
    sharpness: number;
    grain: number;
    vignette: number;
    fadeAmount: number;
    hue: number;
}
/** Built-in filter presets */
export declare function getBuiltInFilters(): PhotoFilter[];
/** Get filters by category */
export declare function getFiltersByCategory(category: FilterCategory): PhotoFilter[];
/** Get all filter categories */
export declare function getFilterCategories(): {
    id: FilterCategory;
    label: string;
}[];
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