import type { MastraDBMessage } from '../../agent/message-list/index.js';
export interface LastMessageOnlyOption {
    /**
     * Whether to run LLM-based checks only on the most recent message instead of the full message list.
     * Default: false.
     */
    lastMessageOnly?: boolean;
}
export declare function selectMessagesToCheck(messages: MastraDBMessage[], lastMessageOnly?: boolean): MastraDBMessage[];
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