/**
 * ResttySessionProvider — React Context for sharing WASM + WebGPU resources.
 *
 * Wrapping N `ResttyTerminal` instances in a single `ResttySessionProvider`
 * ensures they share one WASM module (~2 MB) and one WebGPU core instead of
 * loading duplicates.
 *
 * @example
 * ```tsx
 * <ResttySessionProvider>
 *   <ResttyTerminal wsUrl="ws://localhost:14421/terminal" />
 *   <ResttyTerminal wsUrl="ws://localhost:14421/terminal" />
 * </ResttySessionProvider>
 * ```
 *
 * @module Terminal/restty/ResttySessionProvider
 */
import { type ReactNode } from 'react';
import type { ResttyAppSession } from '@mks2508/restty';
/**
 * Value exposed by the ResttySession context.
 */
export interface IResttySessionContextValue {
    /** Shared session for WASM/WebGPU resource reuse across panes. */
    getSession: () => Promise<ResttyAppSession>;
}
/**
 * Props for ResttySessionProvider.
 */
export interface IResttySessionProviderProps {
    /** Optional pre-created session. If omitted, one is lazily created. */
    session?: ResttyAppSession;
    children: ReactNode;
}
/**
 * Provides a shared ResttyAppSession to all descendant ResttyTerminal instances.
 *
 * The session is lazily created on first access via dynamic import to keep
 * the WASM + WebGPU initialization out of the critical render path and
 * to remain SSR-safe.
 */
export declare function ResttySessionProvider({ session: externalSession, children }: IResttySessionProviderProps): import("react/jsx-runtime").JSX.Element;
/**
 * Access the shared ResttyAppSession from context.
 *
 * Returns `null` when called outside a `ResttySessionProvider` — in that
 * case `ResttyTerminal` will create its own session automatically.
 */
export declare function useResttySession(): IResttySessionContextValue | null;
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