/**
 * DispatchPolicyRuntime — Wire DispatchPolicy tier executors to real runtimes.
 *
 * Bridges @holoscript/core's DispatchPolicy (inversion-critic tier router)
 * with concrete backends:
 *   - Tier-1 Browser:  @holoscript/snn-webgpu (WebGPU SNN)
 *   - Tier-1 WASM:     @holoscript/snn-webgpu CPUReferenceSimulator
 *   - Tier-2:          LLM proposal + engine simulation contract verifier
 *   - Tier-3:          CAELAgent CPU-direct trait execution
 *
 * Source: task_1778381112560_vc4t
 */
import { DispatchPolicy, DispatchPolicyConfig, DispatchableOperation, Tier1WasmEmulatorResult, Tier1WasmRuntimeProbeResult, Tier3CpuDirectOutput, DispatchEffectVerifierResult } from '@holoscript/core/compiler';
/**
 * Lazily initialise the WebGPU SNN runtime for Tier-1 Browser dispatch.
 * Returns `accepted: false` when WebGPU is unavailable so the policy
 * falls back to Tier-1 WASM or Tier-3 CPU.
 */
export declare function executeTier1BrowserSnn(op: DispatchableOperation): Promise<{
    accepted: boolean;
    source: string;
    steps?: number;
    reason?: string;
}>;
/** Reset the singleton WebGPU state (for testing / hot-reload). */
export declare function resetTier1BrowserState(): void;
/**
 * WASM fallback executor using @holoscript/snn-webgpu's CPUReferenceSimulator.
 * This is the real runtime backing the Tier-1 WASM path when WebGPU is absent.
 */
export declare function executeTier1WasmSnn(op: DispatchableOperation, runtime: Tier1WasmRuntimeProbeResult): Promise<Tier1WasmEmulatorResult>;
/**
 * Placeholder LLM proposal provider. In production this wires to the
 * configured LLM provider (OpenRouter, local GGUF, etc.) via
 * @holoscript/llm-provider.
 */
export declare function tier2LlmPropose(op: DispatchableOperation): Promise<unknown>;
/**
 * Effect verifier using the engine's SimulationContract gate.
 * Returns `passed: true` when the manifest passes structural checks.
 */
export declare function tier2EffectVerifier(traits: string[]): Promise<DispatchEffectVerifierResult>;
/**
 * Simulation-contract verifier for Tier-2 acceptance gate.
 * Delegates to the core HoloMap contract assertion when a manifest is present.
 */
export declare function tier2SimulationContractVerifier(manifest: unknown): Promise<boolean>;
/**
 * Real Tier-3 CPU executor. Runs the trait directly through the engine's
 * CAEL cognition path when available, otherwise falls back to the scaffold
 * output used in unit tests.
 */
export declare function executeTier3CpuDirect(op: DispatchableOperation): Promise<Tier3CpuDirectOutput>;
export declare const DEFAULT_RUNTIME_DISPATCH_CONFIG: DispatchPolicyConfig;
/**
 * Create a DispatchPolicy with all tier executors wired to real engine
 * and SNN-WebGPU backends.
 */
export declare function createRuntimeDispatchPolicy(overrides?: Partial<DispatchPolicyConfig>): DispatchPolicy;
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