export const COST_RANK: ReadonlyMap<string, number> = new Map<string, number>([
  ['free', 0],
  ['low', 1],
  ['medium', 2],
  ['high', 3],
]);

export const CONFIDENCE_IMPROVEMENT_THRESHOLD = 0.05;
export const CONFIDENCE_QUALITY_WIN_THRESHOLD = 0.15;
export const CONFIDENCE_REGRESSION_THRESHOLD = -0.1;
export const SUSPICIOUS_CONFIDENCE_DROP = -0.2;
export const SUSPICIOUS_COST_RANK_JUMP = 2;
