/**
 * GAP-PROMPT-002: Deterministic Capability Projection
 *
 * Collects capability signals from installed plugins, process-library bindings,
 * harness adapters, and feature flags, producing a sorted, deterministic
 * capability array for PromptContext enrichment.
 *
 * @module prompts/capabilityCollector
 */
/**
 * Collected capabilities from all runtime signal sources.
 */
export interface CollectedCapabilities {
    pluginCapabilities: string[];
    libraryCapabilities: string[];
    adapterCapabilities: string[];
    flagCapabilities: string[];
    /** Sorted union of all capability arrays */
    all: string[];
}
/**
 * Options for capability collection.
 */
export interface CapabilityCollectionOptions {
    /** Global state directory (default: ~/.a5c) */
    globalStateDir?: string;
    /** Project state directory (default: .a5c) */
    stateDir?: string;
    /** Harness name for adapter capability detection */
    harness?: string;
    /** Feature flags: only truthy values are projected */
    featureFlags?: Record<string, boolean>;
    /** Override state dir for process library resolution */
    processLibraryStateDir?: string;
}
/**
 * Collect capabilities from installed plugins, process-library bindings,
 * harness adapters, and feature flags.
 *
 * The output is deterministic: same inputs always produce the same sorted result.
 */
export declare function collectCapabilities(options?: CapabilityCollectionOptions): Promise<CollectedCapabilities>;
/**
 * Merge baseline capabilities with collected capabilities.
 * Deduplicates and returns a sorted array.
 */
export declare function mergeCapabilities(base: string[], collected: CollectedCapabilities): string[];
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