import type { ResolvedFrame, CoverageResult } from '../types/index.js';
export declare class CoverageCalculator {
    /**
     * Calculate coverage confidence for a proposed action.
     */
    calculate(resolvedFrame: ResolvedFrame, proposedTool: string, proposedArgs: Record<string, unknown>): CoverageResult;
    /**
     * Check if frame domain covers the tool's domain.
     */
    private checkDomainCoverage;
    /**
     * Check if frame action covers the tool's required action.
     */
    private checkActionCoverage;
    /**
     * Check if frame mode is appropriate for tool risk level.
     */
    private checkRiskCoverage;
    /**
     * Check if arguments are within frame scope.
     */
    private checkArgumentCoverage;
    /**
     * Detect if arguments contain external targets.
     */
    private detectExternalTarget;
}
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