import type { Component, VNodeChild } from "vue";
import type { Message } from "@ag-ui/core";
import type { VueCustomMessageRendererPosition, VueCustomMessageRendererProps } from "../types";
interface UseRenderCustomMessagesParams {
    message: Message;
    position: VueCustomMessageRendererPosition;
}
interface CustomMessageRendererResult {
    renderer: Component<VueCustomMessageRendererProps> | ((props: VueCustomMessageRendererProps) => VNodeChild);
    props: VueCustomMessageRendererProps;
}
/**
 * Returns a function that resolves the appropriate custom message renderer for
 * a given message and position.
 *
 * Matches the React `useRenderCustomMessages` API: filters registered
 * renderers by the current agent, preferring agent-scoped renderers over
 * global ones, and computes the full renderer props (runId, indices, state
 * snapshot).
 *
 * The returned function yields `null` if no chat configuration is available
 * (i.e. when called outside a `CopilotChat` component tree) or if no
 * matching renderer is found.
 */
export declare function useRenderCustomMessages(): (params: UseRenderCustomMessagesParams) => CustomMessageRendererResult | null;
export {};
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