import type { AuthenticatedOwnerCallChain, BoundAgentInvocation, InternalEnvelopeInput, InternalReplayClaim, InternalReplayGuard, OwnerCallChainInput, RuntimeSpawnResult, StudioInternalEnvelopeInput, TrustedHostContext, TrustedInternalEnvelope } from './types.js';
import type { DurableStateAdapter } from '../durable/file-journal.js';
export declare function createAuthenticatedOwnerCallChain(input: unknown): AuthenticatedOwnerCallChain | null;
export declare function isAuthenticatedOwnerCallChain(value: unknown): value is AuthenticatedOwnerCallChain;
/** Create an internal envelope only from trusted runtime/orchestrator fields, never command text. */
export declare function createTrustedInternalEnvelope(input: unknown): TrustedInternalEnvelope | null;
/** Create a studio envelope only from an authenticated owner chain. */
export declare function createTrustedStudioInternalEnvelope(input: unknown): TrustedInternalEnvelope | null;
export declare function isTrustedInternalEnvelope(value: unknown): value is TrustedInternalEnvelope;
/**
 * Bind already-separated runtime fields. Unknown input is checked as plain data before any
 * property access or branding; malformed and accessor-bearing objects return null.
 */
export declare function bindRuntimeInvocation(input: unknown): BoundAgentInvocation | null;
/** Bind the sole public studio-scoped runtime route without accepting project or owner fields. */
export declare function bindStudioRuntimeInvocation(input: unknown): BoundAgentInvocation | null;
export declare function bindHostInvocation(commandId: string, projectId: string, task: string, hostContext: unknown): BoundAgentInvocation | null;
export declare function bindStudioHostInvocation(task: string, hostContext: unknown): BoundAgentInvocation | null;
export declare function isRuntimeBoundInvocation(value: unknown): value is BoundAgentInvocation;
export declare class InMemoryInternalReplayGuard implements InternalReplayGuard {
    #private;
    claim(claim: InternalReplayClaim): Promise<'claimed' | 'replay'>;
}
export declare class DurableInternalReplayGuard implements InternalReplayGuard {
    readonly adapter: DurableStateAdapter;
    readonly occurredAt: () => string;
    constructor(adapter: DurableStateAdapter, occurredAt?: () => string);
    claim(claim: InternalReplayClaim): Promise<'claimed' | 'replay' | 'unavailable'>;
}
export declare const unavailableInternalReplayGuard: InternalReplayGuard;
export declare function unavailableRuntimeSpawnAdapter(runtime: string): () => Promise<RuntimeSpawnResult>;
export type { InternalEnvelopeInput, OwnerCallChainInput, StudioInternalEnvelopeInput, TrustedHostContext };