import type { EntityMovement, SceneEntity } from "./entityStore.js";
export interface FormDef {
    id: string;
    movement?: EntityMovement;
    abilities?: readonly string[];
    model?: string;
}
export interface FormChangedEvent {
    instanceId: string;
    formId: string | null;
}
export interface FormEntities {
    get(id: string): SceneEntity | null;
    update(id: string, patch: {
        movement?: EntityMovement;
        name?: string;
    }): boolean;
}
export interface FormTime {
    after(seconds: number, callback: () => void): () => void;
}
export interface FormEvents {
    emit(name: "form.changed", payload: FormChangedEvent): void;
}
export interface FormsDeps {
    entities: FormEntities;
    time: FormTime;
    events?: FormEvents;
}
export interface Forms {
    register(defs: readonly FormDef[]): void;
    get(formId: string): FormDef | null;
    abilities(instanceId: string): readonly string[] | null;
    active(instanceId: string): string | null;
    shapeshift(instanceId: string, formId: string, durationSeconds?: number): {
        reason: string;
    } | null;
    revert(instanceId: string): void;
}
export declare function createForms(deps: FormsDeps): Forms;