import { type MultipartFile } from '../file.ts';
/**
 * Size validator validates the file size against configured limits
 */
export declare class SizeValidator {
    #private;
    /**
     * Whether the file has been validated
     */
    validated: boolean;
    /**
     * Defining the maximum bytes the file can have
     */
    get maxLimit(): number | string | undefined;
    set maxLimit(limit: number | string | undefined);
    /**
     * Creates a new SizeValidator instance
     *
     * @param file - The multipart file to validate
     */
    constructor(file: MultipartFile);
    /**
     * Validates the file size against configured limits. Can be called multiple
     * times during streaming; validation is marked complete only when the file
     * exceeds the limit or after the stream is consumed.
     *
     * @example
     * ```ts
     * const validator = new SizeValidator(file)
     * validator.maxLimit = '2mb'
     * validator.validate()
     *
     * if (!file.isValid) {
     *   console.log(file.errors) // Size validation errors
     * }
     * ```
     */
    validate(): void;
}