import type { Agent, AgentSystem as AgentSystemValue } from "../types.js";
export type ResolveAgentSystemFromResolvedBaseOptions = {
    preserveRuntimeContextMarker?: boolean;
};
type AgentSystemConfig = Agent["config"]["system"];
/** Creates an internal system resolver that can use the effective runtime provider key. */
export declare function createProviderAwareAgentSystemResolver(resolve: (providerOptionKey: string | undefined) => Promise<AgentSystemValue>, resolveFromResolvedBase?: (resolvedBase: AgentSystemValue, providerOptionKey: string | undefined, options?: ResolveAgentSystemFromResolvedBaseOptions) => Promise<AgentSystemValue>): () => Promise<AgentSystemValue>;
/** Resolves authored or framework-composed system instructions for one provider call. */
export declare function resolveAgentSystem(system: AgentSystemConfig, providerOptionKey: string | undefined): AgentSystemValue | Promise<AgentSystemValue>;
/** Reapplies framework composition to an authored system value without resolving it again. */
export declare function resolveAgentSystemFromResolvedBase(system: AgentSystemConfig, resolvedBase: AgentSystemValue, providerOptionKey: string | undefined, options?: ResolveAgentSystemFromResolvedBaseOptions): AgentSystemValue | Promise<AgentSystemValue>;
/** Records the system resolver used by an agent's private runtime. */
export declare function setEffectiveAgentSystem(agent: Agent, system: AgentSystemConfig): void;
/** Returns the effective runtime system resolver, including through config-preserving wrappers. */
export declare function getEffectiveAgentSystem(agent: Agent): AgentSystemConfig;
export {};
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