/**
 * Result of a single flow-node version pin check.
 * Returned in the array produced by `validateFlowVersions()` for every
 * node that declares a `requestedVersion`.
 *
 * @docLink packages/resolver/api-reference#version-check
 */
export interface VersionCheck {
    /** Flow node identifier. */
    nodeId: string;
    /** Canonical skill identifier. */
    skillId: string;
    /** Semver range from the flow node (e.g. "^1.0.0") */
    requested: string;
    /** Version from the skill's frontmatter */
    actual: string;
    /** Whether `actual` satisfies the `requested` semver range. */
    satisfied: boolean;
}
/**
 * Minimal descriptor for a flow node that optionally pins a skill version.
 * Passed as input to `validateFlowVersions()`. Nodes without `requestedVersion`
 * are skipped during version checking.
 *
 * @docLink packages/resolver/api-reference#flow-version-node
 */
export interface FlowVersionNode {
    /** Flow node identifier. */
    nodeId: string;
    /** Canonical skill identifier referenced by this node. */
    skillId: string;
    /** Optional semver range the node requires (e.g. `"^1.2.0"`). Omit to skip version checking. */
    requestedVersion?: string;
}
/**
 * Validate flow node version pins against discovered skill versions.
 *
 * Only checks nodes that declare a `requestedVersion`. Nodes without a
 * version pin are skipped entirely (no entry is produced for those nodes).
 * A check is marked `satisfied: false` when the range is invalid, the actual
 * version string is not valid semver, or the version does not satisfy the range.
 *
 * @param nodes - Flow nodes to check; only those with `requestedVersion` are evaluated
 * @param skillVersions - Map from skill ID to the semver version string in its frontmatter
 * @returns Array of `VersionCheck` results, one per node that declared a version pin
 *
 * @docLink packages/resolver/api-reference#validate-flow-versions
 */
export declare function validateFlowVersions(nodes: FlowVersionNode[], skillVersions: Map<string, string>): VersionCheck[];
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