/**
 * Behavioral metrics extracted from a single user message.
 *
 * Pure, side-effect free. Designed for batch use during session ingestion
 * and standalone testing.
 */
export interface UserMessageMetrics {
    /** Total characters of analyzed text. */
    chars: number;
    /** Whitespace-delimited word count. */
    words: number;
    /**
     * Number of "yelling" sentences: sentences where more than half of the
     * alphabetic characters are uppercase (and there are enough letters to
     * make the ratio meaningful - short acronyms like "OK" don't count).
     */
    yelling: number;
    /** Profanity hits (word-boundary, case-insensitive). */
    profanity: number;
    /**
     * Catch-all "obviously upset" signal computed on a *prose-only* body
     * (code fences, XML/HTML tags, URLs, file mentions, and quoted lines
     * are stripped first; messages whose remaining prose is >=3 lines score
     * zero because formatted prompts aren't tantrums).
     *
     * Sum of:
     * - drama runs: 3+ `!` / `?` (with `1`-mishit fallout)
     * - elongated interjections: `noooo`, `ahhhh`, `ughhh`, `argh`, `stooop`,
     *   `whyyy`, `fuuu(ck)`, `shiiit`, `wtfff`, `omggg`, `yessss`, `helpp`,
     *   `goddd`, `dammm`, `bruhh`
     * - standalone `dude`
     * - dot runs: `..`, `...`, `....+`
     */
    anguish: number;
    /**
     * Corrective negation: the user is telling us we got it wrong.
     *
     * Counted on the same prose-only body as {@link anguish}.
     *
     * - line-leading `no` / `nope` / `nah` / `nvm` / `wrong` / `incorrect`
     *   (word-bounded, so `now`, `nobody`, `north` don't match)
     * - `that(?:'s)? not (what|right|it)` and `not what i (meant|asked|said|wanted)`
     */
    negation: number;
    /**
     * The user is repeating themselves - strong signal the previous turn
     * missed the ask. Counts hits for:
     *
     * - `i (meant|said|asked|told you|already (said|told|did|asked|wrote))`
     * - `(like|as) i (said|told you|asked)`
     * - `still (doesn't|isn't|not|broken|wrong|fails|failing|the same|same)`
     *
     * Bare `still` / `again` are too ambiguous to count alone (they show up
     * in normal speech like "try again" or "still works").
     */
    repetition: number;
    /**
     * Direct second-person reproach pinned on the agent:
     *
     * - `you (didn't|did not|broke|missed|forgot|keep|always|never|still|ignored)`
     * - sentence-leading `stop <verb>ing` imperatives
     */
    blame: number;
}
/**
 * Compute behavioral metrics for a user message.
 *
 * `text` may be empty or whitespace; in that case every metric is 0.
 */
export declare function computeUserMessageMetrics(text: string): UserMessageMetrics;
/** Empty metrics constant for callers that need a default. */
export declare const EMPTY_USER_METRICS: UserMessageMetrics;