/**
 * External dependencies
 */
import type { Component, MutableRefObject, ReactNode, RefObject } from 'react';
export type DistributiveOmit<T, K extends keyof any> = T extends any ? Omit<T, K> : never;
export type SlotKey = string | symbol;
export type FillProps = Record<string, any>;
type SlotPropBase = {
    /**
     * Slot name.
     */
    name: SlotKey;
    /**
     * props to pass from `Slot` to `Fill`.
     *
     * @default {}
     */
    fillProps?: FillProps;
};
export type SlotComponentProps = (SlotPropBase & {
    /**
     * By default, events will bubble to their parents on the DOM hierarchy (native event bubbling).
     * If set to true, events will bubble to their virtual parent in the React elements hierarchy instead,
     * also accept an optional `className`, `id`, etc.  to add to the slot container.
     */
    bubblesVirtually: true;
    /**
     * A function that returns nodes to be rendered.
     * Supported only when `bubblesVirtually` is `false`.
     */
    children?: never;
    /**
     * Additional className for the `Slot` component.
     * Supported only when `bubblesVirtually` is `true`.
     */
    className?: string;
    /**
     * Additional styles for the `Slot` component.
     * Supported only when `bubblesVirtually` is `true`.
     */
    style?: React.CSSProperties;
}) | (SlotPropBase & {
    /**
     * By default, events will bubble to their parents on the DOM hierarchy (native event bubbling).
     * If set to true, events will bubble to their virtual parent in the React elements hierarchy instead,
     * also accept an optional `className`, `id`, etc.  to add to the slot container.
     */
    bubblesVirtually?: false;
    /**
     * A function that returns nodes to be rendered.
     * Supported only when `bubblesVirtually` is `false`.
     */
    children?: (fills: ReactNode) => ReactNode;
    /**
     * Additional className for the `Slot` component.
     * Supported only when `bubblesVirtually` is `true`.
     */
    className?: never;
    /**
     * Additional styles for the `Slot` component.
     * Supported only when `bubblesVirtually` is `true`.
     */
    style?: never;
});
export type FillComponentProps = {
    /**
     * The name of the slot to fill into.
     */
    name: SlotKey;
    /**
     * Children elements or render function.
     */
    children?: ReactNode | ((fillProps: FillProps) => ReactNode);
};
export type SlotFillProviderProps = {
    /**
     * The children elements.
     */
    children: ReactNode;
};
export type SlotFillBubblesVirtuallySlotRef = RefObject<HTMLElement>;
export type SlotFillBubblesVirtuallyFillRef = MutableRefObject<{
    rerender: () => void;
}>;
export type SlotFillBubblesVirtuallyContext = {
    slots: Map<SlotKey, {
        ref: SlotFillBubblesVirtuallySlotRef;
        fillProps: FillProps;
    }>;
    fills: Map<SlotKey, SlotFillBubblesVirtuallyFillRef[]>;
    registerSlot: (name: SlotKey, ref: SlotFillBubblesVirtuallySlotRef, fillProps: FillProps) => void;
    unregisterSlot: (name: SlotKey, ref: SlotFillBubblesVirtuallySlotRef) => void;
    updateSlot: (name: SlotKey, fillProps: FillProps) => void;
    registerFill: (name: SlotKey, ref: SlotFillBubblesVirtuallyFillRef) => void;
    unregisterFill: (name: SlotKey, ref: SlotFillBubblesVirtuallyFillRef) => void;
    /**
     * This helps the provider know if it's using the default context value or not.
     */
    isDefault?: boolean;
};
export type BaseSlotFillContext = {
    registerSlot: (name: SlotKey, slot: Component<BaseSlotComponentProps>) => void;
    unregisterSlot: (name: SlotKey, slot: Component<BaseSlotComponentProps>) => void;
    registerFill: (name: SlotKey, instance: FillComponentProps) => void;
    unregisterFill: (name: SlotKey, instance: FillComponentProps) => void;
    getSlot: (name: SlotKey) => Component<BaseSlotComponentProps> | undefined;
    getFills: (name: SlotKey, slotInstance: Component<BaseSlotComponentProps>) => FillComponentProps[];
    subscribe: (listener: () => void) => () => void;
};
export type BaseSlotComponentProps = Pick<BaseSlotFillContext, 'registerSlot' | 'unregisterSlot' | 'getFills'> & Omit<SlotComponentProps, 'bubblesVirtually'> & {
    children?: (fills: ReactNode) => ReactNode;
};
export {};
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