import type { ExecutionUnitKindV2 } from "../types/execution-unit.js";
import type { ExecutableGraphValidationError } from "../types/errors.js";
import type { GraphenixLlmRuntimeConfig, GraphenixNestedServerTool } from "../types/llm-runtime.js";
export interface ValidateLlmRuntimeOptions {
    unitKind?: ExecutionUnitKindV2 | string;
    /** When true, reject openrouter.rawOverrides (compiled plan wire). */
    forbidRawOverrides?: boolean;
}
export declare function normalizeLlmRuntimeConfig(config: GraphenixLlmRuntimeConfig): GraphenixLlmRuntimeConfig;
export declare function validateLlmRuntimeConfig(value: unknown, path: string, options?: ValidateLlmRuntimeOptions): {
    errors: ExecutableGraphValidationError[];
    warnings: ExecutableGraphValidationError[];
};
export declare function assertValidNestedServerTool(tool: GraphenixNestedServerTool): boolean;
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