Method _setLocalSource

src/data/helper/sourceManager.ts:163–173

(
        sourceList: Source[],
        upstreamSignList: string[]
    )

    }

    private _setLocalSource(
        sourceList: Source[],
        upstreamSignList: string[]
    ): void {
        this._sourceList = sourceList;
        this._upstreamSignList = upstreamSignList;
        this._versionSignBase++;
        if (this._versionSignBase > 9e10) {
            this._versionSignBase = 0;
        }
    }

    /**
     * For detecting whether the upstream source is dirty, so that