import type { TokenEconomics } from '../../core/types.js';
import { type ToolKernel, type ToolDefinition } from './shared.js';
export interface TimelineEntry {
    id: string;
    type: string;
    summary: string | null;
    timestamp: number;
}
export interface ObservationDetail {
    id: string;
    type: string;
    content: string;
    summary: string | null;
    metadata: Record<string, unknown>;
}
export declare const coreToolDefinitions: ToolDefinition[];
export declare function handleObserve(params: {
    content: string;
    type?: string;
    source?: string;
    correlation_id?: string;
    files_modified?: string[];
}, kernel: ToolKernel): Promise<{
    id: string;
    summary: string | undefined;
    tokens_saved: number;
} | {
    error: string;
}>;
export declare function handleSummarize(params: {
    content: string;
}, kernel: ToolKernel): Promise<{
    summary: string;
    tokens_original: number;
    tokens_summarized: number;
    savings_pct: number;
} | {
    error: string;
}>;
export declare function handleTimeline(params: {
    from?: number;
    to?: number;
    type?: string;
    session_id?: string;
    limit?: number;
    anchor?: string;
    depth_before?: number;
    depth_after?: number;
    verbatim?: boolean;
}, kernel: ToolKernel): Promise<TimelineEntry[]>;
export declare function handleGet(params: {
    id: string;
}, kernel: ToolKernel): Promise<ObservationDetail | {
    error: string;
}>;
export declare function handleStats(_params: Record<string, never>, kernel: ToolKernel): Promise<TokenEconomics>;
export declare function handleConfigure(params: {
    key: string;
    value: unknown;
}, kernel: ToolKernel): Promise<{
    updated: boolean;
    key: string;
    value: unknown;
} | {
    error: string;
}>;
export declare function handleExecute(params: {
    code: string;
    language?: string;
}, kernel: ToolKernel): Promise<{
    stdout: string;
    stderr: string;
    exit_code: number;
    duration_ms: number;
} | {
    error: string;
}>;
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