export declare enum ApiJsonSchemaVersion {
    /**
     * The initial release.
     */
    V_1000 = 1000,
    /**
     * Add support for type parameters and type alias types.
     */
    V_1001 = 1001,
    /**
     * Remove "canonicalReference" field.  This field was for diagnostic purposes only and was never deserialized.
     */
    V_1002 = 1002,
    /**
     * Reintroduce the "canonicalReference" field using the experimental new TSDoc declaration reference notation.
     *
     * This is not a breaking change because this field is never deserialized; it is provided for informational
     * purposes only.
     */
    V_1003 = 1003,
    /**
     * The current latest .api.json schema version.
     *
     * IMPORTANT: When incrementing this number, consider whether `OLDEST_SUPPORTED` or `OLDEST_FORWARDS_COMPATIBLE`
     * should be updated.
     */
    LATEST = 1003,
    /**
     * The oldest .api.json schema version that is still supported for backwards compatibility.
     *
     * This must be updated if you change to the file format and do not implement compatibility logic for
     * deserializing the older representation.
     */
    OLDEST_SUPPORTED = 1001,
    /**
     * Used to assign `IApiPackageMetadataJson.oldestForwardsCompatibleVersion`.
     *
     * This value must be \<= `ApiJsonSchemaVersion.LATEST`.  It must be reset to the `LATEST` value
     * if the older library would not be able to deserialize your new file format.  Adding a nonessential field
     * is generally okay.  Removing, modifying, or reinterpreting existing fields is NOT safe.
     */
    OLDEST_FORWARDS_COMPATIBLE = 1001
}
export declare class DeserializerContext {
    /**
     * The path of the file being deserialized, which may be useful for diagnostic purposes.
     */
    readonly apiJsonFilename: string;
    /**
     * Metadata from `IApiPackageMetadataJson.toolPackage`.
     */
    readonly toolPackage: string;
    /**
     * Metadata from `IApiPackageMetadataJson.toolVersion`.
     */
    readonly toolVersion: string;
    /**
     * The version of the schema being deserialized, as obtained from `IApiPackageMetadataJson.schemaVersion`.
     */
    readonly versionToDeserialize: ApiJsonSchemaVersion;
    constructor(options: DeserializerContext);
}
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