/**
 * PipelineCache - Manages GPU pipeline lifecycle
 *
 * Caches compiled pipelines to avoid recompilation overhead.
 */
export type PipelineKind = "triangle" | "line" | "point" | "band" | "heatmap";
export interface PipelineKey {
    kind: PipelineKind;
    variant?: string;
}
export interface IPipelineCache {
    /** Get or create a pipeline */
    getOrCreate<T>(key: PipelineKey, factory: () => T): T;
    /** Check if pipeline exists */
    has(key: PipelineKey): boolean;
    /** Delete a pipeline */
    delete(key: PipelineKey): void;
    /** Get pipeline count */
    readonly size: number;
    /** Cleanup all pipelines */
    destroy(): void;
}
/**
 * Generic pipeline cache implementation
 */
export declare class PipelineCache implements IPipelineCache {
    private pipelines;
    getOrCreate<T>(key: PipelineKey, factory: () => T): T;
    has(key: PipelineKey): boolean;
    delete(key: PipelineKey): void;
    get size(): number;
    destroy(): void;
}