/**
 * Health Factor Utilities for Aave
 *
 * Health factor is calculated by Aave on-chain using oracle prices.
 * A health factor below 1.0 means the position can be liquidated.
 *
 * Status thresholds:
 * - no_debt: No active debt (null health factor)
 * - danger: < 1.0 (can be liquidated)
 * - warning: < HEALTH_FACTOR_WARNING_THRESHOLD (at risk)
 * - safe: >= HEALTH_FACTOR_WARNING_THRESHOLD (healthy)
 */
export type HealthFactorStatus = "safe" | "warning" | "danger" | "no_debt";
/**
 * Determine health factor status for UI display
 *
 * @param healthFactor - The health factor as a number (null if no debt)
 * @param hasDebt - Whether the position has active debt
 * @returns The status classification
 */
export declare function getHealthFactorStatus(healthFactor: number | null, hasDebt: boolean): HealthFactorStatus;
/**
 * Get health factor status from a numeric value.
 * Used for UI components that work with Infinity for no-debt scenarios.
 *
 * @param value - Health factor value (Infinity when no debt)
 * @returns The status classification
 */
export declare function getHealthFactorStatusFromValue(value: number): HealthFactorStatus;
/**
 * Calculate health factor for an AAVE position.
 *
 * **Formula:** `HF = (Collateral × Liquidation Threshold) / Total Debt`
 *
 * Health factor determines liquidation risk:
 * - `>= 1.5` - Safe (green)
 * - `1.0 - 1.5` - Warning (amber)
 * - `< 1.0` - Danger, position can be liquidated (red)
 *
 * @param collateralValueUsd - Total collateral value in USD (as number, not bigint)
 * @param totalDebtUsd - Total debt value in USD (as number, not bigint)
 * @param liquidationThresholdBps - Liquidation threshold in basis points (e.g., `8000` = 80%)
 * @returns Health factor value (e.g., `1.5`), or `Infinity` if no debt
 *
 * @example
 * ```typescript
 * import { calculateHealthFactor, HEALTH_FACTOR_WARNING_THRESHOLD } from "@babylonlabs-io/ts-sdk/tbv/integrations/aave";
 *
 * // User has $10,000 BTC collateral, $5,000 debt, 80% LT
 * const hf = calculateHealthFactor(10000, 5000, 8000);
 * // Result: 1.6 (safe to borrow more)
 *
 * if (hf < 1.0) {
 *   console.error("Position can be liquidated!");
 * } else if (hf < HEALTH_FACTOR_WARNING_THRESHOLD) {
 *   console.warn("Position at risk, consider repaying");
 * } else {
 *   console.log("Position is safe");
 * }
 * ```
 *
 * @remarks
 * **Before borrowing:**
 * Use this to calculate resulting health factor and ensure it stays above safe threshold.
 *
 * **Unit conversions:**
 * - Convert AAVE base currency (1e26) to USD by dividing by 1e26
 * - Use `aaveValueToUsd()` helper for automatic conversion
 */
export declare function calculateHealthFactor(collateralValueUsd: number, totalDebtUsd: number, liquidationThresholdBps: number): number;
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