import type { IRequestLogger, LlmCallEntry, LlmComponent, RagQueryEntry, RequestSummary, TokenCategory, ToolCallEntry } from '@mcp-abap-adt/llm-agent';
/**
 * Component → token category mapping (shared with SessionRequestLogger so
 * /v1/usage categorizes per-session entries the same way single-request
 * deployments do). See review MEDIUM #4.
 */
export declare const CATEGORY_MAP: Record<LlmComponent, TokenCategory>;
export declare class DefaultRequestLogger implements IRequestLogger {
    private initLlmCalls;
    private requestLlmCalls;
    private ragQueryEntries;
    private toolCallEntries;
    private requestStartMs;
    private requestDurationMs;
    startRequest(_requestId?: string): void;
    endRequest(_requestId?: string): void;
    /** Single-request logger has no nesting/delta map — dropRequest is a no-op. */
    dropRequest(_requestId?: string): void;
    logLlmCall(entry: LlmCallEntry): void;
    logRagQuery(entry: RagQueryEntry & {
        requestId?: string;
    }): void;
    logToolCall(entry: ToolCallEntry & {
        requestId?: string;
    }): void;
    getSummary(_requestId?: string): RequestSummary;
    reset(): void;
}
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