export declare class PermissionStorage {
    private _bitLength;
    private _permissions;
    constructor(permissionString: string);
    base64ToArrayBuffer(base64: any): Uint8Array;
    checkPermission(pos: number): number;
    getFirstCharPosition(pos: number): number;
    getLastCharPosition(pos: number): number;
    getFirstPosition(pos: number): number;
    getPermission(permission: number, byteLength: number, pos: number): number;
    getBitMask(): number;
}
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