/**
 * Extracts valid IDs from a parameter object containing an array of items
 * @param param - The parameter object containing the array
 * @param key - The key of the array inside the parameter object
 * @param idField - The field name inside each item that contains the ID
 * @returns An array of non-empty, trimmed strings
 */
export declare function extractValidIds<T extends Record<string, any>>(param: T | undefined, key: keyof T, idField: string): string[];