/** Whole-body cap for a generated issue body. */
export declare const CRASH_BODY_MAX_BYTES: number;
/** Per-field cap for crash-derived text. */
export declare const CRASH_FIELD_MAX_BYTES: number;
export type SanitizeVerdict = {
    ok: true;
    value: string;
} | {
    ok: false;
    reason: string;
};
/**
 * Sanitize one crash-derived field. Returns a verdict: `ok:false` means the
 * residual scanner still found something it cannot vouch for, and the caller
 * must refuse to submit.
 */
export declare function sanitizeExternalCrashV1(text: string, maxBytes?: number): SanitizeVerdict;
/**
 * Wrap already-sanitized crash-derived text for a fenced Markdown block:
 * backticks are neutralized so the fence cannot be escaped, and `@` is de-fanged
 * so a crash message can never notify a GitHub user or team.
 */
export declare function fenceCrashText(value: string): string;
/** Sanitize a label (field name / heading) with the same rules as a value. */
export declare function sanitizeLabel(label: string): SanitizeVerdict;