import { UiSchema } from '@rjsf/utils';

/**
 * Function type for dynamic uiSchema.items in RJSF fork
 * This enables O(n) performance for array conditionals
 */
export type ArrayItemsFunction = (itemData: any, index: number, formContext?: any) => UiSchema;
/**
 * Function type for conditional logic applied to array items
 */
export type ArrayItemConditionalFn = (itemData: any, index: number, formContext?: any) => Partial<UiSchema>;
/**
 * Creates a dynamic uiSchema.items function for array fields
 *
 * @param baseItemUiSchema - Base UI schema applied to all array items
 * @param conditionalLogic - Function that returns conditional UI schema modifications
 * @returns Function compatible with RJSF fork's dynamic uiSchema.items
 *
 * @example
 * ```typescript
 * const directorsUiSchema = {
 *   items: createDynamicArrayItemsUiSchema(
 *     { 'ui:order': ['name', 'hasShareholding', 'shareholdingPercentage'] },
 *     (itemData) => {
 *       if (!itemData?.hasShareholding) {
 *         return { shareholdingPercentage: { 'ui:widget': 'hidden' } };
 *       }
 *       return {};
 *     }
 *   )
 * };
 * ```
 */
export declare function createDynamicArrayItemsUiSchema(baseItemUiSchema: UiSchema, conditionalLogic: ArrayItemConditionalFn): ArrayItemsFunction;
/**
 * Safely merges UI schemas with proper handling of nested properties
 *
 * @param base - Base UI schema
 * @param overrides - Conditional UI schema overrides
 * @returns Merged UI schema
 */
export declare function mergeItemUiSchema(base: UiSchema, overrides: Partial<UiSchema>): UiSchema;
/**
 * Helper to create common conditional patterns
 */
export declare const arrayItemPatterns: {
    /**
     * Show/hide a field based on a condition
     */
    hideField: (fieldName: string, condition: (itemData: any) => boolean) => ArrayItemConditionalFn;
    /**
     * Make a field required based on a condition
     */
    requireField: (fieldName: string, condition: (itemData: any) => boolean) => ArrayItemConditionalFn;
    /**
     * Apply styles to first/last items
     */
    applyIndexStyles: (totalItems: number) => ArrayItemConditionalFn;
};