import * as React from 'react';
/** A structured tool result shown under an agent reply. */
export interface AgentResult {
    /** Result type, e.g. record | view | count | chart | image | plan | proposal | action. */
    kind: string;
    /** Model key the result belongs to, when it has one. */
    model?: string;
    [key: string]: unknown;
}
export interface AgentResultRendererProps<R extends AgentResult = AgentResult> {
    result: R;
    /**
     * Interactive results (approve a plan, launch a guide) report back through
     * here; the host decides what an action means.
     */
    onAction?: (action: string, payload?: unknown) => void;
    /** Host is processing an action for this result. */
    busy?: boolean;
}
export type AgentResultRenderer<R extends AgentResult = AgentResult> = React.ComponentType<AgentResultRendererProps<R>>;
export interface AgentResultRendererOptions {
    /** Only for results of this model (overrides the generic renderer of the kind). */
    model?: string;
}
/**
 * Registers the component that renders results of `kind` (optionally only
 * for one model). Returns an unregister function; a later registration for
 * the same key replaces the earlier one.
 */
export declare function registerAgentResultRenderer<R extends AgentResult = AgentResult>(kind: string, renderer: AgentResultRenderer<R>, options?: AgentResultRendererOptions): () => void;
/** Most specific renderer for a result: kind+model, then kind. */
export declare function resolveAgentResultRenderer(result: Pick<AgentResult, 'kind' | 'model'>): AgentResultRenderer | undefined;
/** Registered keys (`kind` or `kind:model`), for diagnostics. */
export declare function listAgentResultRenderers(): string[];
export declare function clearAgentResultRenderers(): void;
/** Re-renders the caller whenever a renderer is (un)registered. */
export declare function useAgentResultRegistryVersion(): number;
export interface AgentResultViewProps extends AgentResultRendererProps {
    /** Rendered when no renderer matches. Defaults to nothing. */
    fallback?: React.ReactNode;
}
/** Renders one agent result through the registry. */
export declare function AgentResultView({ result, fallback, ...rest }: AgentResultViewProps): React.JSX.Element;
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