export type FactionRelation = "hostile" | "neutral" | "friendly";
export interface FactionDef {
    id: string;
    relations?: Readonly<Record<string, FactionRelation>>;
    towardSelf?: FactionRelation;
    towardOthers?: FactionRelation;
}
export interface FactionGraphConfig {
    factions: readonly FactionDef[];
    symmetric?: boolean;
    unaligned?: FactionRelation;
}
export interface FactionGraph {
    relationBetween(observer: string | null | undefined, other: string | null | undefined): FactionRelation;
    isHostile(observer: string | null | undefined, other: string | null | undefined): boolean;
    isFriendly(observer: string | null | undefined, other: string | null | undefined): boolean;
    isNeutral(observer: string | null | undefined, other: string | null | undefined): boolean;
    has(factionId: string): boolean;
    ids(): string[];
}
export declare function createFactionGraph(config: FactionGraphConfig): FactionGraph;
export interface FactionRoster {
    assign(entityId: string, factionId: string | null): void;
    factionOf(entityId: string): string | null;
    relationBetweenEntities(observer: string, other: string): FactionRelation;
    isHostile(observer: string, other: string): boolean;
    isFriendly(observer: string, other: string): boolean;
    members(factionId: string): string[];
    hostilesOf(observer: string, candidates: Iterable<string>): string[];
    remove(entityId: string): void;
    clear(): void;
}
export declare function createFactionRoster(graph: FactionGraph): FactionRoster;