/**
 * Capacity tracking and load balancing for the Agent dimension.
 *
 * Tracks per-agent capacity (0.0-1.0) and provides queries for
 * capacity-aware work distribution.
 *
 * @module agents/capacity
 */
import { type AgentInstanceRow, type AgentType } from '../store/schema/agent-schema.js';
/**
 * Update the capacity value for an agent instance.
 *
 * @param id - Agent instance ID
 * @param capacity - New capacity value (0.0 to 1.0)
 * @param cwd - Working directory
 * @returns Updated agent row, or null if not found
 */
export declare function updateCapacity(id: string, capacity: number, cwd?: string): Promise<AgentInstanceRow | null>;
/**
 * Get the total available capacity across all active agents.
 *
 * Only considers agents in 'active' or 'idle' status.
 * Returns the sum of all capacity values.
 */
export declare function getAvailableCapacity(cwd?: string): Promise<number>;
/**
 * Find the agent with the most available capacity.
 *
 * @param agentType - Optional type filter
 * @param cwd - Working directory
 * @returns Agent with highest capacity, or null if no active agents
 */
export declare function findLeastLoadedAgent(agentType?: AgentType, cwd?: string): Promise<AgentInstanceRow | null>;
/**
 * Check if the system is overloaded (total capacity below threshold).
 *
 * @param threshold - Minimum acceptable capacity (default: 0.1)
 * @param cwd - Working directory
 * @returns true if total available capacity is below the threshold
 */
export declare function isOverloaded(threshold?: number, cwd?: string): Promise<boolean>;
/** Capacity summary for reporting. */
export interface CapacitySummary {
    totalCapacity: number;
    activeAgentCount: number;
    averageCapacity: number;
    overloaded: boolean;
    threshold: number;
}
/**
 * Get a capacity summary across the entire agent pool.
 *
 * @param threshold - Overload threshold (default: 0.1)
 * @param cwd - Working directory
 */
export declare function getCapacitySummary(threshold?: number, cwd?: string): Promise<CapacitySummary>;
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