/**
 * Clamps a value between a minimum and maximum.
 *
 * @param value - The value to clamp
 * @param min - Minimum value
 * @param max - Maximum value
 * @returns The clamped value
 */
export declare function clamp(value: number, min: number, max: number): number;
/**
 * Formats a number for display with appropriate precision.
 *
 * @param value - The value to format
 * @param decimals - Number of decimal places (default: 2)
 * @returns Formatted string
 */
export declare function formatNumber(value: number, decimals?: number): string;
/**
 * Formats a point count for display.
 *
 * @param count - The point count
 * @returns Formatted string like "11.4M pts" or "500K pts"
 */
export declare function formatPointCount(count: number | undefined): string;
/**
 * Formats a bounding box for display.
 *
 * @param bbox - Bounding box [west, south, east, north]
 * @returns Formatted string
 */
export declare function formatBbox(bbox: [number, number, number, number]): string;
/**
 * Generates a unique ID with optional prefix.
 *
 * @param prefix - Optional prefix
 * @returns Unique ID string
 */
export declare function generateId(prefix?: string): string;
/**
 * Debounces a function call.
 *
 * @param fn - Function to debounce
 * @param delay - Delay in milliseconds
 * @returns Debounced function
 */
export declare function debounce<T extends (...args: unknown[]) => void>(fn: T, delay: number): (...args: Parameters<T>) => void;
/**
 * Throttles a function call.
 *
 * @param fn - Function to throttle
 * @param limit - Minimum time between calls in milliseconds
 * @returns Throttled function
 */
export declare function throttle<T extends (...args: unknown[]) => void>(fn: T, limit: number): (...args: Parameters<T>) => void;
/**
 * Creates a CSS class name string from multiple class names.
 *
 * @param classNames - Class names (strings or falsy values)
 * @returns Combined class name string
 */
export declare function classNames(...classNames: (string | undefined | null | false)[]): string;
/**
 * Truncates a string to a maximum length with ellipsis.
 *
 * @param str - String to truncate
 * @param maxLength - Maximum length
 * @returns Truncated string
 */
export declare function truncate(str: string, maxLength: number): string;
/**
 * Extracts a short name from a STAC item ID.
 *
 * @param itemId - The full item ID
 * @param maxLength - Maximum length (default: 30)
 * @returns Shortened name
 */
export declare function getItemShortName(itemId: string, maxLength?: number): string;
/**
 * Extracts metadata string from a STAC item for display.
 *
 * @param item - STAC item
 * @returns Metadata string (point count and/or date)
 */
export declare function getItemMetadata(item: {
    properties: {
        datetime?: string | null;
        start_datetime?: string;
        end_datetime?: string;
        'pointcloud:count'?: number;
        'pc:count'?: number;
        [key: string]: unknown;
    };
    bbox?: number[];
}): string;
/**
 * Extracts bounding box from a GeoJSON geometry.
 *
 * @param geometry - GeoJSON geometry
 * @returns Bounding box [west, south, east, north]
 */
export declare function getBboxFromGeometry(geometry: GeoJSON.Geometry): [number, number, number, number];
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