import type { AssignedBlock, AvailableFragment, SpaceAllocationReport, Subnet } from '../models/network-plan.js';
interface IpRange {
    startInt: number;
    endInt: number;
}
export declare function rangeToOptimalCIDRBlocks(parentBlockId: string, startInt: number, endInt: number): AvailableFragment[];
export declare function findFreeRanges(block: AssignedBlock, allocatedRanges: IpRange[]): IpRange[];
export declare function calculateAvailableSpace(assignedBlocks: AssignedBlock[] | undefined, subnets: Subnet[]): SpaceAllocationReport;
export declare function findSourceBlock(networkAddress: string, assignedBlocks: AssignedBlock[] | undefined): string | undefined;
export interface AllocationAttempt {
    success: boolean;
    networkAddress?: string;
    sourceBlockId?: string;
    error?: string;
}
export declare function tryAllocateSubnetToAvailableSpace(subnet: Subnet, spaceReport: SpaceAllocationReport): AllocationAttempt;
export interface SubnetFitCheck {
    fits: boolean;
    requiredSize: number;
    requiredCidr: number;
    largestAvailable: number;
    largestAvailableCidr: number;
}
export declare function checkSubnetFit(requiredSize: number, requiredCidr: number, spaceReport: SpaceAllocationReport): SubnetFitCheck;
export {};