export interface ResolveMarginParams {
    /**
     * Per-signal `marginPct` override (% of withdrawable, 0–100). Highest priority.
     * Same basis + `/100` math as config `margin_pct`.
     */
    signalMarginPct?: number;
    /** margin_pct from strategy config (% of withdrawable). */
    marginPct?: number;
    /** Withdrawable balance from ClearinghouseState. Required when marginPct is used. */
    withdrawable?: number;
    /** Fixed margin_per_slot from strategy config. */
    marginPerSlot?: number;
    /** Total strategy budget (USD). Used as the lowest-priority fallback divided by `slots`. */
    budget?: number;
    /** Number of strategy slots. Divisor for the `budget` fallback. */
    slots?: number;
}
/**
 * Resolve margin amount using the priority chain:
 *   signal marginPct (% of withdrawable) > config margin_pct (% of withdrawable)
 *   > margin_per_slot > budget / slots
 *
 * `withdrawable` should be a snapshot captured once per signal batch so that
 * every position in the same batch gets equal sizing. Across separate events
 * the balance will naturally shrink as positions are opened — this is expected.
 *
 * The `budget / slots` fallback exists for 1.0.97 backward compatibility:
 * recipes that set only `strategy.budget` and `strategy.slots` (no
 * `margin_per_slot`/`margin_pct`) must continue to size positions.
 *
 * Returns undefined when no margin source is available.
 */
export declare function resolveMargin(params: ResolveMarginParams): number | undefined;
/** Which precedence branch produced the margin amount (for the sizing breadcrumb). */
export type MarginSource = "signal_marginPct" | "config_margin_pct" | "margin_per_slot" | "budget_over_slots" | "none";
/**
 * Same precedence as {@link resolveMargin}, additionally naming WHICH branch won.
 * Single source of truth — `resolveMargin` is `resolveMarginWithSource(params).amount`
 * — so the logged source can never drift from the amount actually used.
 */
export declare function resolveMarginWithSource(params: ResolveMarginParams): {
    amount: number | undefined;
    source: MarginSource;
};
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