import AWS from "@aws-sdk/client-s3";

//#region src/tus/stores/s3/fileOperations.d.ts
type CalculateOptimalPartSizeArgs = {
  size?: number;
};
type CalculateOffsetFromPartsArgs = {
  parts?: Array<AWS.Part>;
};
type CalculatePartNumberArgs = {
  parts: Array<AWS.Part>;
};
type GenerateUniqueTmpFileNameArgs = {
  template: string;
};
type CalculateOffsetFromPartsExportArgs = {
  parts?: Array<{
    Size?: number;
  }>;
};
declare class S3FileOperations {
  private maxMultipartParts;
  private maxUploadSize;
  private minPartSize;
  private preferredPartSize;
  constructor(maxMultipartParts: number, maxUploadSize: number, minPartSize: number, preferredPartSize: number);
  /**
   * Calculates the optimal part size for S3 multipart upload
   * @param args - The function arguments
   * @param args.size - The upload size in bytes (optional)
   * @returns The optimal part size in bytes
   */
  calculateOptimalPartSize(args: CalculateOptimalPartSizeArgs): number;
  /**
   * Calculates the offset based on uploaded parts
   * @param args - The function arguments
   * @param args.parts - Array of uploaded parts (optional)
   * @returns The total offset in bytes
   */
  calculateOffsetFromParts(args: CalculateOffsetFromPartsArgs): number;
  /**
   * Calculates the next part number based on existing parts
   * @param args - The function arguments
   * @param args.parts - Array of uploaded parts
   * @returns The next part number to use
   */
  calculatePartNumber(args: CalculatePartNumberArgs): number;
  /**
   * Generates a unique temporary file name
   * @param args - The function arguments
   * @param args.template - The template string for the file name
   * @returns Promise that resolves to the unique file path
   * @throws Error if unable to find unique name after max tries
   */
  generateUniqueTmpFileName(args: GenerateUniqueTmpFileNameArgs): Promise<string>;
}
/**
 * Calculates the total offset from uploaded parts
 * @param args - The function arguments
 * @param args.parts - Array of parts with size information (optional)
 * @returns The total offset in bytes
 */
declare function calculateOffsetFromParts(args: CalculateOffsetFromPartsExportArgs): number;
//#endregion
export { S3FileOperations, calculateOffsetFromParts };
//# sourceMappingURL=fileOperations.d.mts.map