import { LtijsError } from '#shared/errors';
export declare class SessionNotFoundError extends LtijsError {
    constructor();
}
export declare class PlatformNotFoundError extends LtijsError {
    constructor();
}
export declare class UnregisteredPlatformError extends LtijsError {
    constructor();
}
export declare class PlatformNotActivatedError extends LtijsError {
    constructor();
}
export declare class InvalidLtikError extends LtijsError {
    constructor();
}