export type LiveTreeMaterializationProfile = Readonly<{
    liveTreeInstances: number;
    subtreeTraversalPasses: number;
    subtreeNodesTraversed: number;
    ownershipIndexPasses: number;
    ownershipNodesIndexed: number;
    appendBranchCalls: number;
    batchAttachmentPasses: number;
    branchesBatchAttached: number;
    appendValidationTargetNodes: number;
    appendValidationBranchNodes: number;
    hsonHostInsertions: number;
    domProjectionCalls: number;
    domElementsCreated: number;
    domTextNodesCreated: number;
    domFragmentsCreated: number;
    domAppendOperations: number;
    quidEnsureCalls: number;
    quidRegistryWrites: number;
    quidLookups: number;
    sourceSnapReads: number;
    sourceAtCalls: number;
    objectKeyEnumerations: number;
    rendererHookInvocations: number;
    specializationMatchCalls: number;
    inspectorRootListeners: number;
    inspectorCssRuleSets: number;
    reflectSourceReadMs: number;
    reflectRendererCreateMs: number;
    reflectSurvivorUpdateMs: number;
    reflectAttachmentMs: number;
    inspectorBranchConstructionMs: number;
}>;
export type LiveTreeMaterializationProfileKey = keyof LiveTreeMaterializationProfile;
export declare function begin_livetree_materialization_profile(): Readonly<{
    stop: () => LiveTreeMaterializationProfile;
}>;
export declare function record_livetree_materialization(key: LiveTreeMaterializationProfileKey, amount?: number): void;
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