export declare const extensionSlotsStore: import("../../db/store-registry.js").Store;
export declare function ensureSlotTables(): Promise<void>;
export interface ExtensionSlotRow {
    id: string;
    extensionId: string;
    slotId: string;
    config: string | null;
    createdAt: string;
}
export interface ExtensionSlotInstallRow {
    id: string;
    extensionId: string;
    slotId: string;
    ownerEmail: string;
    orgId: string | null;
    position: number;
    config: string | null;
    createdAt: string;
    updatedAt: string;
}
export declare function addExtensionSlotTarget(extensionId: string, slotId: string, config?: string): Promise<ExtensionSlotRow>;
export declare function removeExtensionSlotTarget(extensionId: string, slotId: string): Promise<boolean>;
export declare function listSlotsForExtension(extensionId: string): Promise<ExtensionSlotRow[]>;
export declare function listExtensionsForSlot(slotId: string): Promise<Array<{
    extensionId: string;
    name: string;
    description: string;
    icon: string | null;
    config: string | null;
}>>;
export declare function installExtensionSlot(extensionId: string, slotId: string, opts?: {
    position?: number;
    config?: string;
}): Promise<ExtensionSlotInstallRow>;
export declare function uninstallExtensionSlot(extensionId: string, slotId: string): Promise<boolean>;
export declare function listSlotInstallsForUser(slotId: string): Promise<Array<{
    installId: string;
    extensionId: string;
    name: string;
    description: string;
    icon: string | null;
    updatedAt: string;
    position: number;
    config: string | null;
}>>;
export declare function cascadeDeleteExtensionSlots(extensionId: string): Promise<void>;