import { default as React } from 'react';
import { ActionCardProps, ActionCardSlotProps } from './ActionCard';
export type ActionCardAriaAttributes = 'aria-label' | 'aria-labelledby';
type ValidationProps = Pick<ActionCardProps, 'aria'> & {
    cardElement: HTMLElement | null;
};
export declare const validateActionCardProps: ({ aria, cardElement, }: ValidationProps) => void;
type PrimaryActionControlValidationProps = {
    /** The `control` of the card's `PrimaryAction`. */
    control: 'radio' | 'checkbox';
    /** The `control` of the surrounding `DSActionCardGroup`, or `null` when the card has no group. */
    groupControl: 'radio' | 'checkbox' | null;
};
/**
 * Validates a selection `PrimaryAction` against the group it is rendered in.
 *
 * A radio is only meaningful as part of a set: it needs a group to supply the shared
 * `name` and the single-select behaviour. A checkbox is self-contained and works with
 * or without a group. What never works is a mismatch, because a `radiogroup` may only
 * own radios.
 */
export declare const validatePrimaryActionControl: ({ control, groupControl, }: PrimaryActionControlValidationProps) => void;
/**
 * Filters a React children collection and returns only elements of a given slot type.
 *
 * Notes:
 * - Only valid React elements are considered; primitives (strings, numbers, etc.) are ignored.
 * - Returns a new array of React elements; original children are not mutated.
 *
 * @param sourceChildren React node(s) to search within (usually `children`).
 * @param target The slot component to match (e.g., `Header`, `Footer`).
 * @returns An array of matching React elements of the desired slot type.
 */
export declare const getChildrenOfType: (sourceChildren: React.ReactNode, target: React.ComponentType<ActionCardSlotProps>) => React.ReactElement[];
/**
 * Dev-only guard: warns when DSActionCard receives children that match none of its
 * slot components. The slot-based rendering silently drops such children, so without
 * this warning the content simply disappears without any feedback.
 *
 * @param sourceChildren The card's `children`.
 * @param slots All slot components the card renders.
 */
export declare const validateActionCardChildren: (sourceChildren: React.ReactNode, slots: React.ComponentType<ActionCardSlotProps>[]) => void;
export {};