import type { ClusterMethod, GraphProfile, GraphSpec, ServerCapabilities } from './generated/protocol.js';
export declare function assertDefinition(definition: string, value: unknown): void;
export declare function assertMethodResult(method: ClusterMethod, value: unknown): void;
/** Validate an execution graph against the frozen cluster protocol schema. */
export declare function assertGraphSpec(value: unknown): asserts value is GraphSpec;
export declare function assertGraphProfile(value: unknown): asserts value is GraphProfile;
export declare function assertGraphProfileSupported(profile: GraphProfile, capabilities: ServerCapabilities): void;