import { FoundryPage } from "../types/index.js";
/**
 * Interface for system-specific state manipulation logic.
 */
export interface SystemStateAdapter {
    /** The system ID this adapter handles. */
    readonly id: string;
    /**
     * Grants currency to an actor.
     */
    grantCurrency(page: FoundryPage, actorName: string, amount: number, currency: string): Promise<unknown>;
    /**
     * Provides the system-specific data structure for a test actor.
     */
    getTestActorData(name: string): {
        type: string;
        system: Record<string, unknown>;
    };
    /**
     * Provides a system-specific, minimal-but-valid data structure for a test
     * Item embedded on an actor (e.g. inventory/loot). Not every system
     * accepts the same minimal shape - a system's own item validation can
     * reject a payload another system tolerates (motivated by pf2e 8.5.0's
     * "Make _validateType throw errors instead of returning them" change,
     * which broke the previously-universal `{type: "loot"}` payload the
     * verify suite used to hardcode for every system).
     */
    getTestItemData(name: string): {
        type: string;
        system: Record<string, unknown>;
    };
    /**
     * Sets an actor's HP.
     */
    setActorHP(page: FoundryPage, actorName: string, value: number, max?: number): Promise<unknown>;
    /**
     * Returns the log key and a predicate to verify a currency update in verifyResult.
     */
    getCurrencyVerifyParams(actorName: string, amount: number, currency: string): {
        key: string;
        predicate: (data: Record<string, unknown>, extra?: Record<string, unknown>) => boolean;
    };
}
/**
 * Base implementation of SystemStateAdapter with default (often DnD5e-like) logic.
 */
export declare abstract class BaseSystemStateAdapter implements SystemStateAdapter {
    protected page?: FoundryPage | undefined;
    abstract id: string;
    constructor(page?: FoundryPage | undefined);
    grantCurrency(page: FoundryPage, actorName: string, amount: number, currency: string): Promise<unknown>;
    getTestActorData(_name: string): {
        type: string;
        system: Record<string, unknown>;
    };
    getTestItemData(_name: string): {
        type: string;
        system: Record<string, unknown>;
    };
    setActorHP(page: FoundryPage, actorName: string, value: number, max?: number): Promise<unknown>;
    getCurrencyVerifyParams(_actorName: string, _amount: number, _currency: string): {
        key: string;
        predicate: (data: Record<string, unknown>, extra?: Record<string, unknown>) => boolean;
    };
}