import { UpdateFilter } from "mongodb";
import { CreateAccessPolicy, CreatePolicyExecutionContext, DeleteAccessPolicy, DeletePolicyExecutionContext, ReadAccessPolicy, ReadPolicyExecutionContext, UpdateOperationsACL, UpdateOperationsPolicyExecutionContext, UpdatePolicyExecutionContext, UpdatePolicyModule } from "../types";
declare type CollectionName = string;
declare type Action = 'create' | 'update' | 'read' | 'delete';
export declare type PolicyCollection = Record<CollectionName, {
    read?: {
        requireAuthentication?: boolean;
        default?: ReadAccessPolicy<any>;
    };
    create?: {
        requireAuthentication?: boolean;
        default?: CreateAccessPolicy<any>;
    };
    update?: UpdatePolicyModule;
    delete?: {
        requireAuthentication?: boolean;
        default?: DeleteAccessPolicy<any>;
    };
}>;
export declare class PolicyExecutor {
    /**
     * Map containing policies for each CRUD action of each collection.
     * i.e maps collection -> action -> policy
     */
    private policies;
    constructor();
    addPolices(policies: PolicyCollection): void;
    requiresAuthentication(collection: string, action: Action): boolean | undefined;
    getReadPolicy<TDoc>(collectionName: string, ctx: ReadPolicyExecutionContext): import("../types").FilterPolicyResult<TDoc>;
    getCreatePolicy<TDoc>(collectionName: string, ctx: CreatePolicyExecutionContext<TDoc>): boolean | Promise<boolean>;
    getUpdatePolicy<TDoc>(collectionName: string, ctx: UpdatePolicyExecutionContext<TDoc>): import("../types").FilterPolicyResult<TDoc>;
    validateUpdateOperations<TDoc>(collectionName: string, ctx: UpdateOperationsPolicyExecutionContext<TDoc>): Promise<boolean>;
    applyACL<TDoc>(policy: UpdateOperationsACL, updateFilter: UpdateFilter<TDoc>): boolean;
    getDeletePolicy<TDoc>(collectionName: string, ctx: DeletePolicyExecutionContext<TDoc>): import("../types").FilterPolicyResult<TDoc>;
    private _executeOptionalPolicy;
}
export {};