/** Structural metrics for projection selection. */
export interface ProjectionCandidate {
    readonly fileLines: number;
    readonly fileBytes: number;
    readonly symbolCount: number;
    readonly outlineCompressionRatio: number;
    readonly targetSymbol?: string;
}
/** Selected projection with reasoning. */
export interface ProjectionSelection {
    readonly projection: "outline" | "content" | "range";
    readonly reason: string;
}
/**
 * Select the optimal projection based on structural metrics.
 *
 * - Dense large files → outline (saves the most context)
 * - Small or irreducibly complex files → content (outline doesn't help)
 * - Targeted symbol investigation → range (surgical read)
 */
export declare function selectProjection(candidate: ProjectionCandidate): ProjectionSelection;
//# sourceMappingURL=adaptive-projection.d.ts.map