import type { ContextItem } from '../../codebase-context/messages';
import type { Message } from '../../sourcegraph-api';
import type { SerializedChatTranscript } from '.';
export interface ChatMessage extends Message {
    contextFiles?: ContextItem[];
    error?: ChatError;
    /**
     * For messages composed in a rich text editor field, this is the representation of the editor
     * state that can be used to instantiate the editor to edit the message or to render the
     * message. This field's value is opaque to all but the rich editor, and it must validate and
     * version the value so that it can (1) support backward- and forward-compatibility and (2) fall
     * back to editing the text for invalid values.
     */
    editorState?: unknown;
    /**
     * The model used to generate this chat message response. Not set on human messages.
     *
     * NOTE: The chat model used to be a property of the entire chat session and was not changeable
     * after the chat session had begun. Now that field, {@link SerializedChatTranscript.chatModel},
     * is deprecated, and this field should be used instead.
     */
    model?: string;
}
export interface SerializedChatMessage {
    contextFiles?: ContextItem[];
    error?: ChatError;
    editorState?: unknown;
    speaker: 'human' | 'assistant' | 'system';
    text?: string;
    model?: string;
}
export interface ChatError {
    kind?: string;
    name: string;
    message: string;
    retryAfter?: string | null;
    limit?: number;
    userMessage?: string;
    retryAfterDate?: Date;
    retryAfterDateString?: string;
    retryMessage?: string;
    feature?: string;
    upgradeIsAvailable?: boolean;
    isChatErrorGuard: 'isChatErrorGuard';
}
export interface UserLocalHistory {
    chat: ChatHistory;
}
export interface ChatHistory {
    [chatID: string]: SerializedChatTranscript;
}
/**
 * We need to specific a default event source as some commands can be
 * executed directly through VS Code where we cannot provide a custom source.
 * For example: Commands executed through the command palette, right-click menu or through keyboard shortcuts.
 */
export declare const DEFAULT_EVENT_SOURCE = "editor";
export type EventSource = typeof DEFAULT_EVENT_SOURCE | 'chat' | 'menu' | 'sidebar' | 'code-action:explain' | 'code-action:document' | 'code-action:edit' | 'code-action:fix' | 'code-action:generate' | 'code-action:test' | 'custom-commands' | 'code-lens' | 'hover' | 'terminal';
/**
 * Create a mapping of all source types to numerical values, so telemetry can be recorded on `metadata`.
 */
export declare const EventSourceTelemetryMetadataMapping: Record<EventSource, number>;
/**
 * Converts an Error to a ChatError. Note that this cannot be done naively,
 * because some of the Error object's keys are typically not enumerable, and so
 * would be omitted during serialization.
 */
export declare function errorToChatError(error: Error): ChatError;
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