import type { ProviderOptions } from '@ai-sdk/provider-utils';
import type { ModelMessage, SystemModelMessage } from 'ai';
import type { SerializedMessageList } from '../../types/runtime/message-list';
import type { AgentDbMessage, AgentMessage } from '../../types/sdk/message';
import type { JSONValue } from '../../types/utils/json';
export type { SerializedMessageList };
export type LlmContext = {
    system: SystemModelMessage | SystemModelMessage[];
    messages: ModelMessage[];
};
export declare function buildSystemMessages(baseInstructions: string, observationLogMemory: string | undefined, instructionProviderOptions?: ProviderOptions, volatileInstructions?: string, mcpConnectionNote?: string): SystemModelMessage | SystemModelMessage[];
export declare class AgentMessageList {
    private all;
    private historySet;
    private inputSet;
    private responseSet;
    private lastCreatedAt;
    private addMessage;
    private createdAtSortKey;
    private sortAllByCreatedAt;
    observationLogMemory: string | undefined;
    mcpConnectionNote: string | undefined;
    seedLastCreatedAt(timestamp: number): void;
    addHistory(messages: AgentMessage[] | AgentDbMessage[]): void;
    addInput(messages: AgentMessage[] | AgentDbMessage[]): void;
    addResponse(messages: AgentMessage[] | AgentDbMessage[]): void;
    setToolCallResult(toolCallId: string, output: JSONValue, options?: {
        canceled?: boolean;
    }): AgentDbMessage | undefined;
    setToolCallError(toolCallId: string, error: unknown): AgentDbMessage | undefined;
    private findToolCallHost;
    private findToolCallBlock;
    forLlm(baseInstructions: string, instructionProviderOptions?: ProviderOptions, volatileInstructions?: string): LlmContext;
    turnDelta(): AgentDbMessage[];
    responseDelta(): AgentDbMessage[];
    inputDelta(): AgentDbMessage[];
    messages(): readonly AgentDbMessage[];
    serialize(): SerializedMessageList;
    static deserialize(data: SerializedMessageList): AgentMessageList;
}