import { CustomAgentPromptVariant, LanguageModelRequirement } from '@theia/ai-core';
import { AbstractStreamParsingChatAgent } from './chat-agents';
import { ILogger } from '@theia/core';
export declare class CustomChatAgent extends AbstractStreamParsingChatAgent {
    protected readonly logger: ILogger;
    id: string;
    name: string;
    languageModelRequirements: LanguageModelRequirement[];
    protected defaultLanguageModelPurpose: string;
    set prompt(prompt: string);
    /**
     * Replace the variants of this agent's prompt set with the given list. Must be called
     * AFTER {@link prompt} has been set, since it mutates the most recently pushed prompt set.
     * Each entry becomes an additional variant of the default prompt; the variant id is used
     * verbatim as the fragment id.
     */
    set promptVariants(variants: CustomAgentPromptVariant[] | undefined);
}
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