import type { McpOAuthCredentialInput, McpOAuthCredentialsStore, StoredMcpOAuthCredential } from '../ports/mcp-oauth-credentials-store';
export default class InMemoryMcpOAuthCredentialsStore implements McpOAuthCredentialsStore {
    private readonly data;
    private nextId;
    init(): Promise<void>;
    close(): Promise<void>;
    get(userId: number, mcpServerId: string): Promise<StoredMcpOAuthCredential | null>;
    upsert(credential: McpOAuthCredentialInput): Promise<void>;
    updateIfPresent(id: number, credential: McpOAuthCredentialInput): Promise<void>;
    delete(userId: number, mcpServerId: string): Promise<void>;
    private static key;
}
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