export interface RawPermission {
    name: string;
    extendValue: string;
}
interface IPermissionPart {
    [key: string]: true;
}
export declare class PermissionCore {
    parts: IPermissionPart[];
    extendValue: string;
    setParts(str: string): void;
    setExtendValue(str: string): void;
    implies(target: PermissionCore): boolean;
    static build4CandidateGroup(candidateGroup: string | undefined): PermissionCore | undefined;
    static build4Permission(permission: RawPermission): PermissionCore;
    static isBase64PermissionLike(candidateGroup: string): boolean;
}
export {};