import type { ValidationIssue } from '@opentask/taskin-task-manager';
import { type ISizeReductionHint } from '../size-reduction-hint/index.js';
import type { AttachmentValidatorOptions, IAttachmentValidator } from './attachment-validator.types.js';
/** @public */
export declare const ATTACHMENT_EXCEPTIONS_FILE_NAME = ".taskin-attachment-exceptions.json";
/** @public */
export declare class AttachmentValidator implements IAttachmentValidator {
    private readonly options;
    private readonly hint;
    constructor(options: AttachmentValidatorOptions, hint?: ISizeReductionHint);
    validate(): Promise<ValidationIssue[]>;
    private collectIssues;
    private exceptionsFile;
    private exceptionIssue;
    private suggestionFor;
    private listAttachments;
    private readExceptions;
}
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