import { WeftError } from './weft-error.ts';
export declare const SESSION_STATE_LOCAL_KEY = "stateSession";
export declare const MAX_SESSION_STATE_ENTRY_COUNT = 256;
export declare const MAX_SESSION_STATE_KEY_LENGTH = 256;
export declare const MAX_SESSION_STATE_SERIALIZED_BYTES: number;
export declare class SessionStateValidationError extends WeftError<'SessionStateValidationError'> {
    constructor(message: string);
}
export declare function createSessionStateStore(): Record<string, unknown>;
export declare function hasSessionStateKey(store: Record<string, unknown>, key: string): boolean;
export declare function assertValidSessionStateKey(key: string): void;
export declare function cloneSessionStateValue<T>(value: T): T;
export declare function cloneSessionStateStore(store: Record<string, unknown> | undefined): Record<string, unknown> | undefined;
export declare function normalizeSessionStateRecord(value: unknown): Record<string, unknown> | undefined;
export declare function normalizeSessionStateLocals(locals: Record<string, unknown> | undefined): Record<string, unknown> | undefined;
export declare function validateSessionStateStore(store: Record<string, unknown>): void;
export declare function validateSessionStateLocals(locals: Record<string, unknown>): void;