import { MongoQuery } from '@ucast/mongo2js';
import { PermissionRelation } from './type';
import { AbilityDescriptor } from '../../ability-manager';
export declare function buildPermissionMetaCondition(input: string | null): MongoQuery;
export declare function buildPermissionMetaFields(input: string | null): string[] | undefined;
export declare function buildPermissionDescriptorFromRelation(entity: PermissionRelation): AbilityDescriptor;
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