/** GitHub's maximum issue or pull-request body length, counted in Unicode code points. */
export declare const GITHUB_BODY_MAX_CHARACTERS = 65536;
/** The measured GitHub body length and whether it fits within GitHub's character limit. */
export interface GitHubBodyLengthValidation {
    readonly ok: boolean;
    readonly characterCount: number;
    readonly utf8ByteCount: number;
    readonly maxCharacterCount: number;
}
/**
 * Measures a GitHub issue or pull-request body without altering its content.
 *
 * GitHub's limit is evaluated in Unicode code points. UTF-8 bytes are returned only for diagnostics.
 */
export declare function validateGitHubBodyLength(body: string): GitHubBodyLengthValidation;