import React from 'react';
export type CodeBlockType = 'chart' | 'mermaid' | 'proposal' | 'code' | 'image' | 'link' | 'expand' | 'table' | 'markdown' | 'fusion-fragment';
export interface CodeBlockPlaceholderProps {
    /** The type of content being loaded */
    type: CodeBlockType;
    /** Optional error message to display */
    error?: string;
    /** Callback to retry loading */
    onRetry?: () => void;
    /** Optional custom message */
    message?: string;
    /** Height hint for the placeholder (default varies by type) */
    height?: number;
}
/**
 * Placeholder component shown while code blocks are loading.
 * Provides visual feedback and error states with retry capability.
 */
export declare function CodeBlockPlaceholder({ type, error, onRetry, message, height, }: CodeBlockPlaceholderProps): import("react/jsx-runtime").JSX.Element;
/**
 * Error boundary for code block rendering.
 * Catches rendering errors and displays a fallback UI.
 */
interface CodeBlockErrorBoundaryProps {
    children: React.ReactNode;
    type: CodeBlockType;
    fallbackCode?: string;
    onError?: (error: Error) => void;
}
interface CodeBlockErrorBoundaryState {
    hasError: boolean;
    error?: Error;
}
export declare class CodeBlockErrorBoundary extends React.Component<CodeBlockErrorBoundaryProps, CodeBlockErrorBoundaryState> {
    constructor(props: CodeBlockErrorBoundaryProps);
    static getDerivedStateFromError(error: Error): CodeBlockErrorBoundaryState;
    componentDidCatch(error: Error, errorInfo: React.ErrorInfo): void;
    handleRetry: () => void;
    render(): string | number | bigint | boolean | import("react/jsx-runtime").JSX.Element | Iterable<React.ReactNode> | Promise<string | number | bigint | boolean | React.ReactPortal | React.ReactElement<unknown, string | React.JSXElementConstructor<any>> | Iterable<React.ReactNode> | null | undefined> | null | undefined;
}
export {};
//# sourceMappingURL=CodeBlockPlaceholder.d.ts.map