import type { GolfScorecard, HandicapCard } from './types.js';
import type { CommonIssuesFile, RecurringPattern } from './briefing.js';
/** Default player name when scorecard has no player field */
export declare const DEFAULT_PLAYER = "default";
/** Per-player handicap result */
export interface PlayerHandicap {
    player: string;
    scorecardCount: number;
    handicapCard: HandicapCard;
}
/**
 * Extract unique sorted player names from scorecards.
 * Scorecards without a player field are attributed to DEFAULT_PLAYER.
 */
export declare function extractPlayers(scorecards: GolfScorecard[]): string[];
/**
 * Filter scorecards to those belonging to a specific player.
 * Scorecards without a player field match DEFAULT_PLAYER.
 */
export declare function filterScorecardsByPlayer(scorecards: GolfScorecard[], player: string): GolfScorecard[];
/**
 * Compute handicap cards for all players found in scorecards.
 * Each player gets an independent HandicapCard from their own scorecards.
 */
export declare function computePlayerHandicaps(scorecards: GolfScorecard[]): PlayerHandicap[];
/**
 * Compute handicap card for a single player.
 * Returns zeroed stats if no scorecards match.
 */
export declare function computePlayerHandicap(scorecards: GolfScorecard[], player: string): PlayerHandicap;
export type ReporterSeverity = 'low' | 'medium' | 'high';
/**
 * Compute severity from reporter count.
 * 1 reporter = low, 2 = medium, 3+ = high.
 * Deduplicates reporters before counting.
 */
export declare function computeReporterSeverity(reporters: string[]): ReporterSeverity;
/**
 * Merge new patterns into existing common issues, accumulating reporters
 * and unioning sprints_hit. Patterns are matched by id.
 */
export declare function mergeHazardIndices(issues: CommonIssuesFile, newPatterns: RecurringPattern[], reporter: string): CommonIssuesFile;
/**
 * Filter hazards by visibility: team-wide shows all,
 * player filter shows only those reported by that player (or with no reporters).
 */
export declare function filterHazardsByVisibility(issues: CommonIssuesFile, opts: {
    player?: string;
    teamWide?: boolean;
}): CommonIssuesFile;
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