/**
 * Text-Generation Runtime Message Types
 *
 * Framework-owned message types for the current text-generation runtime
 * boundary. These describe the subset of message shapes the runtime uses
 * today without exposing SDK-owned message contracts upward.
 */
export interface TextGenerationRuntimeTextPart {
    type: "text";
    text: string;
}
export interface TextGenerationRuntimeFilePart {
    type: "file" | "image";
    mediaType: string;
    url: string;
    filename?: string;
}
export interface TextGenerationRuntimeToolCallPart {
    type: "tool-call";
    toolCallId: string;
    toolName: string;
    input: Record<string, unknown>;
}
export interface TextGenerationRuntimeToolResultPart {
    type: "tool-result";
    toolCallId: string;
    toolName: string;
    output: {
        type: "json";
        value: unknown;
    };
}
export interface TextGenerationRuntimeSystemMessage {
    role: "system";
    content: string;
}
export interface TextGenerationRuntimeUserMessage {
    role: "user";
    content: string | Array<TextGenerationRuntimeTextPart | TextGenerationRuntimeFilePart>;
}
export interface TextGenerationRuntimeAssistantMessage {
    role: "assistant";
    content: Array<TextGenerationRuntimeTextPart | TextGenerationRuntimeToolCallPart>;
    providerMetadata?: Record<string, unknown>;
}
export interface TextGenerationRuntimeToolMessage {
    role: "tool";
    content: TextGenerationRuntimeToolResultPart[];
}
export type TextGenerationRuntimeMessage = TextGenerationRuntimeSystemMessage | TextGenerationRuntimeUserMessage | TextGenerationRuntimeAssistantMessage | TextGenerationRuntimeToolMessage;
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