import type { AgentChatAttachment } from "../agent/types.js";
import { type OwnedAttachmentHydrationBudget, type OwnedAttachmentReadFailure } from "./owned-attachment.js";
export interface PreUploadedImageAttachment {
    name?: string;
    url: string;
    provider: string;
    contentType?: string;
}
export interface PreUploadedFileAttachment {
    name?: string;
    url: string;
    provider: string;
    contentType?: string;
    sizeBytes?: number;
    referenceOnly?: boolean;
    securityNote?: string;
}
export interface PreUploadAttachmentsResult {
    attachments: AgentChatAttachment[];
    uploaded: PreUploadedImageAttachment[];
    uploadedFiles: PreUploadedFileAttachment[];
    readFailures: OwnedAttachmentReadFailure[];
    providerMissing: boolean;
    uploadFailed: boolean;
    readableWithoutStorage: string[];
    uploadError?: string;
    injectedText: string | null;
}
export declare function isFileUploadProviderConfigured(): boolean;
export declare function preUploadImageAttachments(opts: {
    attachments: AgentChatAttachment[] | undefined;
    ownerEmail: string | null | undefined;
}): Promise<PreUploadAttachmentsResult>;
export declare function preUploadAttachments(opts: {
    attachments: AgentChatAttachment[] | undefined;
    ownerEmail: string | null | undefined;
    includeFiles?: boolean;
    hydrationBudget?: OwnedAttachmentHydrationBudget;
}): Promise<PreUploadAttachmentsResult>;