/**
 * If the step has requirements for activation (they almost always do, if nothing else than for the Talent Grid\'s Progression to have reached a certain level), they will be defined here.
 */
export interface DestinyDefinitionsDestinyNodeStepDefinitionActivationRequirement {
    /**
     * The Progression level on the Talent Grid required to activate this node.  See DestinyTalentGridDefinition.progressionHash for the related Progression, and read DestinyProgressionDefinition\'s documentation to learn more about Progressions.
     */
    gridLevel?: number;
    /**
     * The list of hash identifiers for material requirement sets: materials that are required for the node to be activated. See DestinyMaterialRequirementSetDefinition for more information about material requirements.  In this case, only a single DestinyMaterialRequirementSetDefinition will be chosen from this list, and we won\'t know which one will be chosen until an instance of the item is created.
     */
    materialRequirementHashes?: Array<number>;
}