import type { SDKAssistantMessage } from "@anthropic-ai/claude-agent-sdk";
export interface TextContentBlock {
    type: 'text';
    text: string;
}
export interface ImageContentSource {
    type: 'base64';
    media_type: string;
    data: string;
}
export interface ImageContentBlock {
    type: 'image';
    source: ImageContentSource;
}
export interface DocumentContentSource {
    type: 'base64' | 'text';
    media_type: string;
    data: string;
}
export interface DocumentContentBlock {
    type: 'document';
    source: DocumentContentSource;
    title?: string;
}
export interface ToolUseContentBlock {
    type: 'tool_use';
    id: string;
    name: string;
    input: Record<string, unknown>;
}
export interface ThinkingContentBlock {
    type: 'thinking';
    thinking?: string;
}
export interface ToolResultContentBlock {
    type: 'tool_result';
    tool_use_id: string;
    content: string | TextContentBlock[];
    is_error: boolean;
}
export type APIAssistantContentBlock = SDKAssistantMessage['message']['content'];
export type UserContentBlock = TextContentBlock | ImageContentBlock | DocumentContentBlock | ToolResultContentBlock;
export type AssistantContentBlock = TextContentBlock | ImageContentBlock | DocumentContentBlock | ToolUseContentBlock | ThinkingContentBlock | ToolResultContentBlock | APIAssistantContentBlock;
export type MessageContentBlock = UserContentBlock | AssistantContentBlock;
/** Attachment payload for user-supplied assets such as images or documents. */
export interface AttachmentPayload {
    id?: string;
    name: string;
    mediaType: string;
    data: string;
}
/** Aggregated usage metrics returned by the Claude Agent service. */
export interface UsageSummary {
    totalTokens: number;
    totalCost: number;
    contextWindow: number;
}
/** Todo item emitted by Claude's TodoWrite tool. */
export interface TodoItem {
    content: string;
    status: string;
}
//# sourceMappingURL=messages.d.ts.map