/**
 * Context Query Builder for LLM Context Assembly
 *
 * Token-aware context assembly with priority-based truncation.
 */
export declare enum ContextOutputFormat {
    TOON = "toon",
    JSON = "json",
    MARKDOWN = "markdown"
}
export declare enum TruncationStrategy {
    TAIL_DROP = "tail_drop",// Drop from end
    HEAD_DROP = "head_drop",// Drop from beginning
    PROPORTIONAL = "proportional"
}
export interface ContextResult {
    text: string;
    tokenCount: number;
    sections: Array<{
        name: string;
        tokenCount: number;
        truncated: boolean;
    }>;
}
/**
 * Context Query Builder for assembling LLM context
 */
export declare class ContextQueryBuilder {
    private sessionId?;
    private tokenBudget;
    private format;
    private truncation;
    private sections;
    private currentSection?;
    /**
     * Set session ID for context
     */
    forSession(sessionId: string): this;
    /**
     * Set token budget
     */
    withBudget(tokens: number): this;
    /**
     * Set output format
     */
    setFormat(format: ContextOutputFormat): this;
    /**
     * Set truncation strategy
     */
    setTruncation(strategy: TruncationStrategy): this;
    /**
     * Add literal text section
     */
    literal(name: string, priority: number, text: string): this;
    /**
     * Start a new section
     */
    section(name: string, priority: number): this;
    /**
     * Add content to current section
     */
    get(path: string): this;
    /**
     * Add last N records query
     */
    last(n: number, table: string): this;
    /**
     * Add where equals condition
     */
    whereEq(field: string, value: any): this;
    /**
     * Add vector search
     */
    search(collection: string, embedding: string, k: number): this;
    /**
     * Add SQL query
     */
    sql(query: string): this;
    /**
     * Finish current section
     */
    done(): this;
    /**
     * Execute and build context
     */
    execute(): ContextResult;
    private estimateTokens;
    private truncateText;
    private buildToonFormat;
    private buildJsonFormat;
    private buildMarkdownFormat;
}
/**
 * Create a context query builder
 */
export declare function createContextBuilder(): ContextQueryBuilder;
//# sourceMappingURL=context-builder.d.ts.map