import type { ContentBlock } from '@wrongstack/core/types';
interface AnthropicBlock {
    type: string;
    text?: string | undefined;
    id?: string | undefined;
    name?: string | undefined;
    input?: unknown | undefined;
    content?: unknown | undefined;
    tool_use_id?: string | undefined;
    is_error?: boolean | undefined;
    thinking?: string | undefined;
    signature?: string | undefined;
    source?: {
        type?: 'base64' | 'url' | undefined;
        media_type?: string | undefined;
        data?: string | undefined;
        url?: string | undefined;
    };
}
export interface FromAnthropicOptions {
    /**
     * Called once for each block whose `type` the converter doesn't recognize.
     * The block is still dropped — this hook only exists so callers can wire
     * it into observability (event bus, logger) instead of silently losing
     * data. Anthropic ships new block types over time (`thinking`,
     * `server_tool_use`, etc.) and we want a way to find out without
     * inflating the conversion logic itself.
     */
    onUnsupported?: (type: string, block: AnthropicBlock) => void;
}
export declare function contentFromAnthropic(blocks: AnthropicBlock[], opts?: FromAnthropicOptions): ContentBlock[];
export {};
//# sourceMappingURL=from-anthropic.d.ts.map