import type { RuntimeEmitter } from "../lib/runtime-utils.js";
import type { ActiveBinding, ActiveKey, ActiveKeyOptions, BindingState, Hooks, KeymapEvent, KeymapHost, PendingSequenceCapture, KeySequencePart, PendingSequenceState, RegisteredLayer } from "../types.js";
import type { CommandCatalogService } from "./command-catalog.js";
import type { ConditionService } from "./conditions.js";
import type { NotificationService } from "./notify.js";
import type { ActiveCommandView, State } from "./state.js";
interface ActivationOptions<TTarget extends object, TEvent extends KeymapEvent> {
    onPendingSequenceChanged?: (previous: PendingSequenceState<TTarget, TEvent> | null, next: PendingSequenceState<TTarget, TEvent> | null) => void;
}
export interface ActivationService<TTarget extends object, TEvent extends KeymapEvent> {
    getFocusedTarget(): TTarget | null;
    getFocusedTargetIfAvailable(): TTarget | null;
    setPendingSequence(next: PendingSequenceState<TTarget, TEvent> | null): void;
    ensureValidPendingSequence(): PendingSequenceState<TTarget, TEvent> | undefined;
    revalidatePendingSequenceIfNeeded(): void;
    hasPendingSequenceState(): boolean;
    getPendingSequence(): readonly KeySequencePart[];
    popPendingSequence(): boolean;
    getActiveKeys(options?: ActiveKeyOptions): readonly ActiveKey<TTarget, TEvent>[];
    getActiveKeysForCaptures(captures: readonly PendingSequenceCapture<TTarget, TEvent>[], options?: ActiveKeyOptions): readonly ActiveKey<TTarget, TEvent>[];
    getActiveKeysForFocused(focused: TTarget | null, options?: ActiveKeyOptions): readonly ActiveKey<TTarget, TEvent>[];
    getActiveLayers(focused: TTarget | null): RegisteredLayer<TTarget, TEvent>[];
    isLayerActiveForFocused(layer: RegisteredLayer<TTarget, TEvent>, focused: TTarget | null): boolean;
    collectSequencePartsFromPending(pending: PendingSequenceState<TTarget, TEvent>): KeySequencePart[];
    collectMatchingBindings(bindings: readonly BindingState<TTarget, TEvent>[], focused: TTarget | null, activeView: ActiveCommandView<TTarget, TEvent>): BindingState<TTarget, TEvent>[];
    collectActiveBindings(bindings: readonly BindingState<TTarget, TEvent>[], focused: TTarget | null, activeView: ActiveCommandView<TTarget, TEvent>): ActiveBinding<TTarget, TEvent>[];
}
export declare function createActivationService<TTarget extends object, TEvent extends KeymapEvent>(state: State<TTarget, TEvent>, host: KeymapHost<TTarget, TEvent>, hooks: RuntimeEmitter<Hooks<TTarget, TEvent>>, notify: NotificationService<TTarget, TEvent>, conditions: ConditionService<TTarget, TEvent>, catalog: CommandCatalogService<TTarget, TEvent>, options?: ActivationOptions<TTarget, TEvent>): ActivationService<TTarget, TEvent>;
export {};