| 1 | import { RequestEnvelope } from 'ask-sdk-model';
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| 2 | /**
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| 3 | * An interface for storing and retrieving persistent attributes from persistence tier given request envelope.
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| 4 | */
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| 5 | export interface PersistenceAdapter {
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| 6 | getAttributes(requestEnvelope: RequestEnvelope): Promise<{
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| 7 | [key: string]: any;
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| 8 | }>;
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| 9 | saveAttributes(requestEnvelope: RequestEnvelope, attributes: {
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| 10 | [key: string]: any;
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| 11 | }): Promise<void>;
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| 12 | deleteAttributes?(requestEnvelope: RequestEnvelope): Promise<void>;
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| 13 | }
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