export interface RenameParams {
    accountId: string;
    attachmentId: string;
    newFilename: string;
}
export interface RenameResult {
    attachmentId: string;
    oldFilename: string;
    newFilename: string;
    graphUpdated: boolean;
}
export declare function memoryRenameAttachment(params: RenameParams): Promise<RenameResult>;
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