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https://github.com/getcompanion-ai/co-mono.git
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feat(coding-agent): maintain in-memory session entries for --no-session compaction support
SessionManager now tracks all entries in memory regardless of whether file persistence is enabled. This allows compaction to work in --no-session mode where no session file is created. - Added inMemoryEntries array to store session entries - All save methods now push to inMemoryEntries - loadEntries() returns in-memory entries when file persistence is disabled - File persistence only writes when enabled flag is true - Session loading (constructor, setSessionFile) populates in-memory entries
This commit is contained in:
Mario Zechner
parent
02c7f9ea51
commit
8226975080
1 changed files with 77 additions and 22 deletions
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@ -191,7 +191,9 @@ export class SessionManager {
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private sessionDir: string;
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private enabled: boolean = true;
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private sessionInitialized: boolean = false;
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private pendingMessages: any[] = [];
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private pendingEntries: SessionEntry[] = [];
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// In-memory entries for --no-session mode (when enabled=false)
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private inMemoryEntries: SessionEntry[] = [];
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constructor(continueSession: boolean = false, customSessionPath?: string) {
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this.sessionDir = this.getSessionDirectory();
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@ -202,6 +204,10 @@ export class SessionManager {
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this.loadSessionId();
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// Mark as initialized since we're loading an existing session
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this.sessionInitialized = existsSync(this.sessionFile);
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// Load entries into memory
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if (this.sessionInitialized) {
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this.inMemoryEntries = this.loadEntriesFromFile();
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}
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} else if (continueSession) {
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const mostRecent = this.findMostRecentlyModifiedSession();
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if (mostRecent) {
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@ -209,6 +215,8 @@ export class SessionManager {
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this.loadSessionId();
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// Mark as initialized since we're loading an existing session
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this.sessionInitialized = true;
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// Load entries into memory
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this.inMemoryEntries = this.loadEntriesFromFile();
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} else {
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this.initNewSession();
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}
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@ -241,9 +249,10 @@ export class SessionManager {
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this.sessionFile = join(this.sessionDir, `${timestamp}_${this.sessionId}.jsonl`);
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}
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/** Reset to a fresh session. Clears pending messages and starts a new session file. */
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/** Reset to a fresh session. Clears pending entries and starts a new session file. */
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reset(): void {
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this.pendingMessages = [];
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this.pendingEntries = [];
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this.inMemoryEntries = [];
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this.sessionInitialized = false;
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this.initNewSession();
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}
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@ -284,7 +293,7 @@ export class SessionManager {
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}
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startSession(state: AgentState): void {
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if (!this.enabled || this.sessionInitialized) return;
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if (this.sessionInitialized) return;
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this.sessionInitialized = true;
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const entry: SessionHeader = {
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@ -296,17 +305,24 @@ export class SessionManager {
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modelId: state.model.id,
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thinkingLevel: state.thinkingLevel,
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};
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Write any queued messages
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for (const msg of this.pendingMessages) {
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appendFileSync(this.sessionFile, JSON.stringify(msg) + "\n");
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// Always track in memory
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this.inMemoryEntries.push(entry);
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for (const pending of this.pendingEntries) {
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this.inMemoryEntries.push(pending);
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}
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this.pendingEntries = [];
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// Write to file only if enabled
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if (this.enabled) {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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for (const memEntry of this.inMemoryEntries.slice(1)) {
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appendFileSync(this.sessionFile, JSON.stringify(memEntry) + "\n");
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}
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}
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this.pendingMessages = [];
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}
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saveMessage(message: any): void {
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if (!this.enabled) return;
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const entry: SessionMessageEntry = {
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type: "message",
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timestamp: new Date().toISOString(),
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@ -314,14 +330,18 @@ export class SessionManager {
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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this.pendingEntries.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Always track in memory
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this.inMemoryEntries.push(entry);
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// Write to file only if enabled
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if (this.enabled) {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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}
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saveThinkingLevelChange(thinkingLevel: string): void {
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if (!this.enabled) return;
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const entry: ThinkingLevelChangeEntry = {
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type: "thinking_level_change",
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timestamp: new Date().toISOString(),
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@ -329,14 +349,18 @@ export class SessionManager {
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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this.pendingEntries.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Always track in memory
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this.inMemoryEntries.push(entry);
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// Write to file only if enabled
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if (this.enabled) {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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}
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saveModelChange(provider: string, modelId: string): void {
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if (!this.enabled) return;
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const entry: ModelChangeEntry = {
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type: "model_change",
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timestamp: new Date().toISOString(),
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@ -345,15 +369,24 @@ export class SessionManager {
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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this.pendingEntries.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Always track in memory
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this.inMemoryEntries.push(entry);
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// Write to file only if enabled
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if (this.enabled) {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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}
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saveCompaction(entry: CompactionEntry): void {
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if (!this.enabled) return;
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Always track in memory
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this.inMemoryEntries.push(entry);
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// Write to file only if enabled
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if (this.enabled) {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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/**
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@ -394,9 +427,9 @@ export class SessionManager {
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}
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/**
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* Load all entries from the session file.
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* Load entries directly from the session file (internal helper).
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*/
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loadEntries(): SessionEntry[] {
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private loadEntriesFromFile(): SessionEntry[] {
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if (!existsSync(this.sessionFile)) return [];
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const content = readFileSync(this.sessionFile, "utf8");
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@ -416,6 +449,21 @@ export class SessionManager {
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return entries;
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}
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/**
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* Load all entries from the session file or in-memory store.
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* When file persistence is enabled, reads from file (source of truth for resumed sessions).
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* When disabled (--no-session), returns in-memory entries.
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*/
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loadEntries(): SessionEntry[] {
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// If file persistence is enabled and file exists, read from file
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if (this.enabled && existsSync(this.sessionFile)) {
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return this.loadEntriesFromFile();
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}
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// Otherwise return in-memory entries (for --no-session mode)
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return [...this.inMemoryEntries];
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}
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/**
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* Load all sessions for the current directory with metadata
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*/
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@ -523,6 +571,13 @@ export class SessionManager {
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this.loadSessionId();
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// Mark as initialized since we're loading an existing session
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this.sessionInitialized = existsSync(path);
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// Load entries into memory for consistency
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if (this.sessionInitialized) {
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this.inMemoryEntries = this.loadEntriesFromFile();
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} else {
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this.inMemoryEntries = [];
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}
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this.pendingEntries = [];
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}
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/**
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