## Gerenciadores de contexto { #context-managers }

### O que são "Gerenciadores de Contexto" { #what-are-context-managers }

"Gerenciadores de Contexto" são qualquer um dos objetos Python que podem ser utilizados com a declaração `with`.

        mergeModel_Developers(target, source, sourceDominant, context);
        mergeModel_Contributors(target, source, sourceDominant, context);
        mergeModel_IssueManagement(target, source, sourceDominant, context);
        mergeModel_Scm(target, source, sourceDominant, context);
        mergeModel_CiManagement(target, source, sourceDominant, context);
        mergeModel_Prerequisites(target, source, sourceDominant, context);

		r.writeCond = sync.NewCond(&r.mu)
	}
	return r
}

// WithCancel sets a context to cancel the ring buffer.
// When the context is canceled, the ring buffer will be closed with the context error.
// A goroutine will be started and run until the provided context is canceled.
func (r *RingBuffer) WithCancel(ctx context.Context) *RingBuffer {
	go func() {
		<-ctx.Done()
		r.CloseWithError(ctx.Err())
	}()
	return r
}

        UpgradeContext context = TestUtils.createMockContext(Paths.get("/test"));

        // Test indentation methods don't throw exceptions
        context.indent();
        context.indent();
        context.info("Indented message");

        context.unindent();
        context.unindent();
        context.unindent(); // Should not go below 0
        context.info("Unindented message");
    }

    @Test

        context.println();
        context.info(getDescription() + " Summary:");
        context.indent();
        context.info(result.modifiedCount() + " POM(s) modified");
        context.info(result.unmodifiedCount() + " POM(s) needed no changes");
        if (result.errorCount() > 0) {
            context.info(result.errorCount() + " POM(s) had errors");
        }
        context.unindent();
    }

}

type ParamsFilter interface {
	ParamsFilter(ctx context.Context, sql string, params ...interface{}) (string, []interface{})
}

// ConnPool db conns pool interface
type ConnPool interface {
	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
	QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)

        RequestTrace parentTrace = new RequestTrace("parent-context", null, "parent-data");
        RequestTrace childTrace = new RequestTrace("child-context", parentTrace, "child-data");

        assertEquals("parent-context", parentTrace.context());
        assertNull(parentTrace.parent());
        assertEquals("parent-data", parentTrace.data());

        assertEquals("child-context", childTrace.context());

}

func (S Tracer) Warn(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Warn(ctx, s, i...)
}

func (S Tracer) Error(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Error(ctx, s, i...)
}

func (S Tracer) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
	S.Logger.Trace(ctx, begin, fc, err)
	S.Test(ctx, begin, fc, err)

}

func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
	buf, _, err := readConfigWithMetadata(ctx, store, configFile, ObjectOptions{})
	return buf, err
}

type objectDeleter interface {
	DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error)
}

func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string) error {

}

func (l *slogLogger) Info(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Info {
		l.log(ctx, slog.LevelInfo, msg, slog.Any("data", data))
	}
}

func (l *slogLogger) Warn(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Warn {
		l.log(ctx, slog.LevelWarn, msg, slog.Any("data", data))
	}
}

func (l *slogLogger) Error(ctx context.Context, msg string, data ...interface{}) {